156909246 has 16 divisors (see below), whose sum is σ = 337958544. Its totient is φ = 48279744.

The previous prime is 156909229. The next prime is 156909253. The reversal of 156909246 is 642909651.

It is a happy number.

It is a super-2 number, since 2×156909246² = 49241022960577032, which contains 22 as substring.

It is a zygodrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 156909198 and 156909207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005751 + ... + 1005906.

It is an arithmetic number, because the mean of its divisors is an integer number (21122409).

Almost surely, 2^156909246 is an apocalyptic number.

156909246 is an abundant number, since it is smaller than the sum of its proper divisors (181049298).

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

156909246 is a wasteful number, since it uses less digits than its factorization.

156909246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011675.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 156909246 is about 12526.3420837849. The cubic root of 156909246 is about 539.3651043050.

The spelling of 156909246 in words is "one hundred fifty-six million, nine hundred nine thousand, two hundred forty-six".