156540384 has 384 divisors, whose sum is σ = 616412160. Its totient is φ = 37324800.

The previous prime is 156540383. The next prime is 156540389. The reversal of 156540384 is 483045651.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156540383) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 864774 + ... + 864954.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^156540384 is an apocalyptic number.

156540384 is a gapful number since it is divisible by the number (14) 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 156540384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308206080).

156540384 is an abundant number, since it is smaller than the sum of its proper divisors (459871776).

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

156540384 is a wasteful number, since it uses less digits than its factorization.

156540384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 156540384 is about 12511.6099683454. The cubic root of 156540384 is about 538.9421264835.

The spelling of 156540384 in words is "one hundred fifty-six million, five hundred forty thousand, three hundred eighty-four".