457645332 has 12 divisors (see below), whose sum is σ = 1067839136. Its totient is φ = 152548440.

The previous prime is 457645327. The next prime is 457645337. The reversal of 457645332 is 233546754.

It is an interprime number because it is at equal distance from previous prime (457645327) and next prime (457645337).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457645337) 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, 19068544 + ... + 19068567.

Almost surely, 2^457645332 is an apocalyptic number.

It is an amenable number.

457645332 is an abundant number, since it is smaller than the sum of its proper divisors (610193804).

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

457645332 is a wasteful number, since it uses less digits than its factorization.

457645332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38137118 (or 38137116 counting only the distinct ones).

The product of its digits is 302400, while the sum is 39.

The square root of 457645332 is about 21392.6466805770. The cubic root of 457645332 is about 770.6248551361.

The spelling of 457645332 in words is "four hundred fifty-seven million, six hundred forty-five thousand, three hundred thirty-two".