156285402 has 96 divisors (see below), whose sum is σ = 396369792. Its totient is φ = 40715136.

The previous prime is 156285397. The next prime is 156285421. The reversal of 156285402 is 204582651.

156285402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 393468 + ... + 393864.

It is an arithmetic number, because the mean of its divisors is an integer number (4128852).

Almost surely, 2^156285402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156285402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198184896).

156285402 is an abundant number, since it is smaller than the sum of its proper divisors (240084390).

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

156285402 is a wasteful number, since it uses less digits than its factorization.

156285402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 156285402 is about 12501.4159997978. The cubic root of 156285402 is about 538.6493474612.

The spelling of 156285402 in words is "one hundred fifty-six million, two hundred eighty-five thousand, four hundred two".