151555520 has 28 divisors (see below), whose sum is σ = 360892344. Its totient is φ = 60622080.

The previous prime is 151555517. The next prime is 151555543. The reversal of 151555520 is 25555151.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236486 + ... + 237125.

Almost surely, 2^151555520 is an apocalyptic number.

151555520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151555520 is an abundant number, since it is smaller than the sum of its proper divisors (209336824).

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

151555520 is an equidigital number, since it uses as much as digits as its factorization.

151555520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473628 (or 473618 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 29.

The square root of 151555520 is about 12310.7887643319. The cubic root of 151555520 is about 533.1596239837.

The spelling of 151555520 in words is "one hundred fifty-one million, five hundred fifty-five thousand, five hundred twenty".