45507580 has 24 divisors (see below), whose sum is σ = 96213600. Its totient is φ = 18079680.

The previous prime is 45507577. The next prime is 45507599. The reversal of 45507580 is 8570554.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4656 + ... + 10615.

It is an arithmetic number, because the mean of its divisors is an integer number (4008900).

Almost surely, 2^45507580 is an apocalyptic number.

It is an amenable number.

45507580 is an abundant number, since it is smaller than the sum of its proper divisors (50706020).

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

45507580 is a wasteful number, since it uses less digits than its factorization.

45507580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15429 (or 15427 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 45507580 is about 6745.9306251992. The cubic root of 45507580 is about 357.0216727134.

The spelling of 45507580 in words is "forty-five million, five hundred seven thousand, five hundred eighty".