156009476 has 48 divisors (see below), whose sum is σ = 331543296. Its totient is φ = 62705664.

The previous prime is 156009463. The next prime is 156009481. The reversal of 156009476 is 674900651.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231476 + ... + 232148.

It is an arithmetic number, because the mean of its divisors is an integer number (6907152).

Almost surely, 2^156009476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156009476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165771648).

156009476 is an abundant number, since it is smaller than the sum of its proper divisors (175533820).

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

156009476 is a wasteful number, since it uses less digits than its factorization.

156009476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 156009476 is about 12490.3753346327. The cubic root of 156009476 is about 538.3321608433.

The spelling of 156009476 in words is "one hundred fifty-six million, nine thousand, four hundred seventy-six".