151515402 has 16 divisors (see below), whose sum is σ = 310078560. Its totient is φ = 49330512.

The previous prime is 151515391. The next prime is 151515409. The reversal of 151515402 is 204515151.

It is not an unprimeable number, because it can be changed into a prime (151515409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293377 + ... + 293892.

It is an arithmetic number, because the mean of its divisors is an integer number (19379910).

Almost surely, 2^151515402 is an apocalyptic number.

151515402 is an abundant number, since it is smaller than the sum of its proper divisors (158563158).

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

151515402 is a wasteful number, since it uses less digits than its factorization.

151515402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587317.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 151515402 is about 12309.1592726717. The cubic root of 151515402 is about 533.1125759110.

The spelling of 151515402 in words is "one hundred fifty-one million, five hundred fifteen thousand, four hundred two".