45623328 has 24 divisors (see below), whose sum is σ = 119761488. Its totient is φ = 15207744.

The previous prime is 45623311. The next prime is 45623371. The reversal of 45623328 is 82332654.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237526 + ... + 237717.

It is an arithmetic number, because the mean of its divisors is an integer number (4990062).

Almost surely, 2^45623328 is an apocalyptic number.

45623328 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45623328 is an abundant number, since it is smaller than the sum of its proper divisors (74138160).

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

45623328 is a wasteful number, since it uses less digits than its factorization.

45623328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475256 (or 475248 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 45623328 is about 6754.5042749265. The cubic root of 45623328 is about 357.3241099325.

The spelling of 45623328 in words is "forty-five million, six hundred twenty-three thousand, three hundred twenty-eight".