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145451543044000 = 255354316695431
BaseRepresentation
bin100001000100100110010011…
…100011100001111110100000
3201002000000212010020222001211
4201010212103203201332200
5123031034230004402000
61233203303314035504
742431345554426444
oct4104462343417640
9632000763228054
10145451543044000
1142388720152a26
1214391597578b94
1363210387661ab
1427cbc6c472824
1511c37dd6997ba
hex8449938e1fa0

145451543044000 has 96 divisors (see below), whose sum is σ = 357440297340672. Its totient is φ = 58169895840000.

The previous prime is 145451543043967. The next prime is 145451543044007. The reversal of 145451543044000 is 440345154541.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (145451543044007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18376285 + ... + 25071715.

It is an arithmetic number, because the mean of its divisors is an integer number (3723336430632).

Almost surely, 2145451543044000 is an apocalyptic number.

145451543044000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145451543044000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178720148670336).

145451543044000 is an abundant number, since it is smaller than the sum of its proper divisors (211988754296672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145451543044000 is an equidigital number, since it uses as much as digits as its factorization.

145451543044000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700887 (or 6700869 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 145451543044000 its reverse (440345154541), we get a palindrome (145891888198541).

The spelling of 145451543044000 in words is "one hundred forty-five trillion, four hundred fifty-one billion, five hundred forty-three million, forty-four thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 5431 10862 21724 27155 43448 54310 86896 108620 135775 173792 217240 271550 434480 543100 678875 868960 1086200 1357750 2172400 2715500 4344800 5431000 6695431 10862000 13390862 21724000 26781724 33477155 53563448 66954310 107126896 133908620 167385775 214253792 267817240 334771550 535634480 669543100 836928875 1071268960 1339086200 1673857750 2678172400 3347715500 5356344800 6695431000 13390862000 26781724000 36362885761 72725771522 145451543044 181814428805 290903086088 363628857610 581806172176 727257715220 909072144025 1163612344352 1454515430440 1818144288050 2909030860880 3636288576100 4545360720125 5818061721760 7272577152200 9090721440250 14545154304400 18181442880500 29090308608800 36362885761000 72725771522000 145451543044000