156448136 has 64 divisors (see below), whose sum is σ = 328297200. Its totient is φ = 69424128.

The previous prime is 156448133. The next prime is 156448151. The reversal of 156448136 is 631844651.

It can be written as a sum of positive squares in 8 ways, for example, as 102131236 + 54316900 = 10106^2 + 7370^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 156448136.

It is not an unprimeable number, because it can be changed into a prime (156448133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419246 + ... + 419618.

Almost surely, 2^156448136 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 156448136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164148600).

156448136 is an abundant number, since it is smaller than the sum of its proper divisors (171849064).

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

156448136 is a wasteful number, since it uses less digits than its factorization.

156448136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 534 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 156448136 is about 12507.9229290878. The cubic root of 156448136 is about 538.8362409157.

The spelling of 156448136 in words is "one hundred fifty-six million, four hundred forty-eight thousand, one hundred thirty-six".