45195588 has 36 divisors (see below), whose sum is σ = 120966300. Its totient is φ = 14178816.

The previous prime is 45195583. The next prime is 45195589. The reversal of 45195588 is 88559154.

It is a happy number.

45195588 is a `hidden beast` number, since 4 + 519 + 55 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37970244 + 7225344 = 6162^2 + 2688^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (45195583) 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, 36313 + ... + 37536.

It is an arithmetic number, because the mean of its divisors is an integer number (3360175).

Almost surely, 2^45195588 is an apocalyptic number.

It is an amenable number.

45195588 is an abundant number, since it is smaller than the sum of its proper divisors (75770712).

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

45195588 is a wasteful number, since it uses less digits than its factorization.

45195588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73876 (or 73871 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The square root of 45195588 is about 6722.7663948705. The cubic root of 45195588 is about 356.2039083490.

The spelling of 45195588 in words is "forty-five million, one hundred ninety-five thousand, five hundred eighty-eight".