156133380 has 48 divisors (see below), whose sum is σ = 470804544. Its totient is φ = 38432640.

The previous prime is 156133379. The next prime is 156133381. The reversal of 156133380 is 83331651.

It is an interprime number because it is at equal distance from previous prime (156133379) and next prime (156133381).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (156133381) 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, 99306 + ... + 100865.

It is an arithmetic number, because the mean of its divisors is an integer number (9808428).

Almost surely, 2^156133380 is an apocalyptic number.

156133380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156133380 is an abundant number, since it is smaller than the sum of its proper divisors (314671164).

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

156133380 is a wasteful number, since it uses less digits than its factorization.

156133380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200196 (or 200194 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 156133380 is about 12495.3343292607. The cubic root of 156133380 is about 538.4746390638.

The spelling of 156133380 in words is "one hundred fifty-six million, one hundred thirty-three thousand, three hundred eighty".