156118540 has 48 divisors (see below), whose sum is σ = 339871392. Its totient is φ = 60189696.

The previous prime is 156118451. The next prime is 156118561. The reversal of 156118540 is 45811651.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82687 + ... + 84553.

It is an arithmetic number, because the mean of its divisors is an integer number (7080654).

Almost surely, 2^156118540 is an apocalyptic number.

156118540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156118540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169935696).

156118540 is an abundant number, since it is smaller than the sum of its proper divisors (183752852).

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

156118540 is a wasteful number, since it uses less digits than its factorization.

156118540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 156118540 is about 12494.7404935037. The cubic root of 156118540 is about 538.4575784010.

The spelling of 156118540 in words is "one hundred fifty-six million, one hundred eighteen thousand, five hundred forty".