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145746137248 = 2523937211339
BaseRepresentation
bin1000011110111100100…
…1011001000010100000
3111221012022001220012021
42013233021121002200
54341442002342443
6150542125311224
713346503504015
oct2075711310240
9457168056167
10145746137248
11568a09930a8
12242b6105514
13109891950ca
1470a883770c
153bd04109ed
hex21ef2590a0

145746137248 has 48 divisors (see below), whose sum is σ = 299734223040. Its totient is φ = 69629953536.

The previous prime is 145746137239. The next prime is 145746137263. The reversal of 145746137248 is 842731647541.

It is a junction number, because it is equal to n+sod(n) for n = 145746137195 and 145746137204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583963 + ... + 795301.

It is an arithmetic number, because the mean of its divisors is an integer number (6244462980).

Almost surely, 2145746137248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145746137248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149867111520).

145746137248 is an abundant number, since it is smaller than the sum of its proper divisors (153988085792).

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

145746137248 is a wasteful number, since it uses less digits than its factorization.

145746137248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212309 (or 212301 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 145746137248 in words is "one hundred forty-five billion, seven hundred forty-six million, one hundred thirty-seven thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 23 32 46 92 184 368 736 937 1874 3748 7496 14992 21551 29984 43102 86204 172408 211339 344816 422678 689632 845356 1690712 3381424 4860797 6762848 9721594 19443188 38886376 77772752 155545504 198024643 396049286 792098572 1584197144 3168394288 4554566789 6336788576 9109133578 18218267156 36436534312 72873068624 145746137248