156147712 has 84 divisors (see below), whose sum is σ = 364194090. Its totient is φ = 66748416.

The previous prime is 156147707. The next prime is 156147731. The reversal of 156147712 is 217741651.

It can be written as a sum of positive squares in only one way, i.e., 146313216 + 9834496 = 12096^2 + 3136^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401214 + ... + 401602.

Almost surely, 2^156147712 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 156147712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182097045).

156147712 is an abundant number, since it is smaller than the sum of its proper divisors (208046378).

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

156147712 is an frugal number, since it uses more digits than its factorization.

156147712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 398 counting only the distinct ones).

The product of its digits is 11760, while the sum is 34.

The square root of 156147712 is about 12495.9078101593. The cubic root of 156147712 is about 538.4911146831.

The spelling of 156147712 in words is "one hundred fifty-six million, one hundred forty-seven thousand, seven hundred twelve".