156849402 has 16 divisors (see below), whose sum is σ = 314256960. Its totient is φ = 52190112.

The previous prime is 156849383. The next prime is 156849409. The reversal of 156849402 is 204948651.

156849402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (156849409) 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, 19558 + ... + 26385.

It is an arithmetic number, because the mean of its divisors is an integer number (19641060).

Almost surely, 2^156849402 is an apocalyptic number.

156849402 is an abundant number, since it is smaller than the sum of its proper divisors (157407558).

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

156849402 is a wasteful number, since it uses less digits than its factorization.

156849402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46517.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 156849402 is about 12523.9531299027. The cubic root of 156849402 is about 539.2965256616.

The spelling of 156849402 in words is "one hundred fifty-six million, eight hundred forty-nine thousand, four hundred two".