156972288 has 144 divisors (see below), whose sum is σ = 483005376. Its totient is φ = 44728320.

The previous prime is 156972269. The next prime is 156972293. The reversal of 156972288 is 882279651.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143070 + ... + 144162.

It is an arithmetic number, because the mean of its divisors is an integer number (3354204).

Almost surely, 2^156972288 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 156972288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241502688).

156972288 is an abundant number, since it is smaller than the sum of its proper divisors (326033088).

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

156972288 is a wasteful number, since it uses less digits than its factorization.

156972288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1126 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 156972288 is about 12528.8582081529. The cubic root of 156972288 is about 539.4373288615.

The spelling of 156972288 in words is "one hundred fifty-six million, nine hundred seventy-two thousand, two hundred eighty-eight".