45531156 has 96 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 13100800.

The previous prime is 45531139. The next prime is 45531179. The reversal of 45531156 is 65113554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254275 + ... + 254453.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^45531156 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 45531156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60963840).

45531156 is an abundant number, since it is smaller than the sum of its proper divisors (76396524).

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

45531156 is a wasteful number, since it uses less digits than its factorization.

45531156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 283 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 45531156 is about 6747.6778227773. The cubic root of 45531156 is about 357.0833158493.

The spelling of 45531156 in words is "forty-five million, five hundred thirty-one thousand, one hundred fifty-six".