151725440 has 32 divisors (see below), whose sum is σ = 362720160. Its totient is φ = 60689920.

The previous prime is 151725433. The next prime is 151725443. The reversal of 151725440 is 44527151.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151725443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117896 + ... + 119175.

It is an arithmetic number, because the mean of its divisors is an integer number (11335005).

Almost surely, 2^151725440 is an apocalyptic number.

151725440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151725440 is an abundant number, since it is smaller than the sum of its proper divisors (210994720).

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

151725440 is an equidigital number, since it uses as much as digits as its factorization.

151725440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237090 (or 237078 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 151725440 is about 12317.6880947684. The cubic root of 151725440 is about 533.3588043391.

The spelling of 151725440 in words is "one hundred fifty-one million, seven hundred twenty-five thousand, four hundred forty".