156020272 has 60 divisors (see below), whose sum is σ = 318911880. Its totient is φ = 73923840.

The previous prime is 156020209. The next prime is 156020273. The reversal of 156020272 is 272020651.

It is not an unprimeable number, because it can be changed into a prime (156020273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1122379 + ... + 1122517.

It is an arithmetic number, because the mean of its divisors is an integer number (5315198).

Almost surely, 2^156020272 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 156020272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159455940).

156020272 is an abundant number, since it is smaller than the sum of its proper divisors (162891608).

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

156020272 is a wasteful number, since it uses less digits than its factorization.

156020272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 156020272 is about 12490.8074999177. The cubic root of 156020272 is about 538.3445782513.

The spelling of 156020272 in words is "one hundred fifty-six million, twenty thousand, two hundred seventy-two".