45312668 has 24 divisors (see below), whose sum is σ = 84315168. Its totient is φ = 21260096.

The previous prime is 45312647. The next prime is 45312689. The reversal of 45312668 is 86621354.

It is an interprime number because it is at equal distance from previous prime (45312647) and next prime (45312689).

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, 230 + ... + 9522.

It is an arithmetic number, because the mean of its divisors is an integer number (3513132).

Almost surely, 2^45312668 is an apocalyptic number.

It is an amenable number.

45312668 is a deficient number, since it is larger than the sum of its proper divisors (39002500).

45312668 is a wasteful number, since it uses less digits than its factorization.

45312668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9373 (or 9371 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 45312668 is about 6731.4684876333. The cubic root of 45312668 is about 356.5112273832.

The spelling of 45312668 in words is "forty-five million, three hundred twelve thousand, six hundred sixty-eight".