45661152 has 24 divisors (see below), whose sum is σ = 119860776. Its totient is φ = 15220352.

The previous prime is 45661129. The next prime is 45661159. The reversal of 45661152 is 25116654.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45661159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237723 + ... + 237914.

It is an arithmetic number, because the mean of its divisors is an integer number (4994199).

Almost surely, 2^45661152 is an apocalyptic number.

It is an amenable number.

45661152 is an abundant number, since it is smaller than the sum of its proper divisors (74199624).

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

45661152 is a wasteful number, since it uses less digits than its factorization.

45661152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475650 (or 475642 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 45661152 is about 6757.3036042493. The cubic root of 45661152 is about 357.4228291218.

The spelling of 45661152 in words is "forty-five million, six hundred sixty-one thousand, one hundred fifty-two".