45532620 has 72 divisors (see below), whose sum is σ = 157850784. Its totient is φ = 10407168.

The previous prime is 45532609. The next prime is 45532621. The reversal of 45532620 is 2623554.

45532620 is a `hidden beast` number, since 4 + 5 + 5 + 32 + 620 = 666.

It is not an unprimeable number, because it can be changed into a prime (45532621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16809 + ... + 19328.

It is an arithmetic number, because the mean of its divisors is an integer number (2192372).

Almost surely, 2^45532620 is an apocalyptic number.

It is an amenable number.

45532620 is an abundant number, since it is smaller than the sum of its proper divisors (112318164).

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

45532620 is a wasteful number, since it uses less digits than its factorization.

45532620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36159 (or 36154 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 45532620 is about 6747.7863036703. The cubic root of 45532620 is about 357.0871430043.

The spelling of 45532620 in words is "forty-five million, five hundred thirty-two thousand, six hundred twenty".