45453912 has 64 divisors (see below), whose sum is σ = 133056000. Its totient is φ = 12668160.

The previous prime is 45453907. The next prime is 45453923. The reversal of 45453912 is 21935454.

It is a super-2 number, since 2×45453912² = 4132116232207488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3589 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^45453912 is an apocalyptic number.

45453912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45453912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66528000).

45453912 is an abundant number, since it is smaller than the sum of its proper divisors (87602088).

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

45453912 is a wasteful number, since it uses less digits than its factorization.

45453912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6656 (or 6652 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 45453912 is about 6741.9516462223. The cubic root of 45453912 is about 356.8812699039.

The spelling of 45453912 in words is "forty-five million, four hundred fifty-three thousand, nine hundred twelve".