156131487144 has 288 divisors, whose sum is σ = 460813878720. Its totient is φ = 49496603904.

The previous prime is 156131487119. The next prime is 156131487157. The reversal of 156131487144 is 441784131651.

156131487144 is a `hidden beast` number, since 1 + 5 + 613 + 14 + 8 + 7 + 14 + 4 = 666.

Its product of digits (322560) is a multiple of the sum of its prime divisors (768).

It is a self number, because there is not a number n which added to its sum of digits gives 156131487144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 341644164 + ... + 341644620.

It is an arithmetic number, because the mean of its divisors is an integer number (1600048190).

Almost surely, 2^156131487144 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 156131487144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230406939360).

156131487144 is an abundant number, since it is smaller than the sum of its proper divisors (304682391576).

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

156131487144 is an equidigital number, since it uses as much as digits as its factorization.

156131487144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 768 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The spelling of 156131487144 in words is "one hundred fifty-six billion, one hundred thirty-one million, four hundred eighty-seven thousand, one hundred forty-four".