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145000435520 = 265617428301
BaseRepresentation
bin1000011100001010110…
…0110000111101000000
3111212021022220022201202
42013002230300331000
54333430102414040
6150340130320332
713322150236343
oct2070254607500
9455238808652
10145000435520
1156548a69386
12241284290a8
131089a843b95
1470377a445a
153b89c12015
hex21c2b30f40

145000435520 has 56 divisors (see below), whose sum is σ = 350942699688. Its totient is φ = 57049344000.

The previous prime is 145000435519. The next prime is 145000435571. The reversal of 145000435520 is 25534000541.

It can be written as a sum of positive squares in 4 ways, for example, as 101445184 + 144898990336 = 10072^2 + 380656^2 .

It is a congruent number.

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, 3694631 + ... + 3733670.

It is an arithmetic number, because the mean of its divisors is an integer number (6266833923).

Almost surely, 2145000435520 is an apocalyptic number.

145000435520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145000435520 is an abundant number, since it is smaller than the sum of its proper divisors (205942264168).

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

145000435520 is an equidigital number, since it uses as much as digits as its factorization.

145000435520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428379 (or 7428369 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 145000435520 in words is "one hundred forty-five billion, four hundred thirty-five thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 61 64 80 122 160 244 305 320 488 610 976 1220 1952 2440 3904 4880 9760 19520 7428301 14856602 29713204 37141505 59426408 74283010 118852816 148566020 237705632 297132040 453126361 475411264 594264080 906252722 1188528160 1812505444 2265631805 2377056320 3625010888 4531263610 7250021776 9062527220 14500043552 18125054440 29000087104 36250108880 72500217760 145000435520