156136144 has 40 divisors (see below), whose sum is σ = 316854720. Its totient is φ = 74393088.

The previous prime is 156136117. The next prime is 156136157. The reversal of 156136144 is 441631651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123387 + ... + 124645.

It is an arithmetic number, because the mean of its divisors is an integer number (7921368).

Almost surely, 2^156136144 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 156136144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158427360).

156136144 is an abundant number, since it is smaller than the sum of its proper divisors (160718576).

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

156136144 is a wasteful number, since it uses less digits than its factorization.

156136144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627 (or 1621 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 156136144 is about 12495.4449300535. Note that the first 3 decimals coincide. The cubic root of 156136144 is about 538.4778165503.

Adding to 156136144 its reverse (441631651), we get a palindrome (597767795).

The spelling of 156136144 in words is "one hundred fifty-six million, one hundred thirty-six thousand, one hundred forty-four".