45156580 has 48 divisors (see below), whose sum is σ = 111033216. Its totient is φ = 15102720.

The previous prime is 45156569. The next prime is 45156589. The reversal of 45156580 is 8565154.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45156589) 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, 1807 + ... + 9673.

It is an arithmetic number, because the mean of its divisors is an integer number (2313192).

Almost surely, 2^45156580 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 45156580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55516608).

45156580 is an abundant number, since it is smaller than the sum of its proper divisors (65876636).

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

45156580 is a wasteful number, since it uses less digits than its factorization.

45156580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7924 (or 7922 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 45156580 is about 6719.8645819689. The cubic root of 45156580 is about 356.1013998071.

The spelling of 45156580 in words is "forty-five million, one hundred fifty-six thousand, five hundred eighty".