45237312 has 112 divisors (see below), whose sum is σ = 136062720. Its totient is φ = 14731776.

The previous prime is 45237301. The next prime is 45237317. The reversal of 45237312 is 21373254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (45237317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80938 + ... + 81494.

Almost surely, 2^45237312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45237312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68031360).

45237312 is an abundant number, since it is smaller than the sum of its proper divisors (90825408).

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

45237312 is a wasteful number, since it uses less digits than its factorization.

45237312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 609 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 45237312 is about 6725.8688658046. The cubic root of 45237312 is about 356.3134889617.

The spelling of 45237312 in words is "forty-five million, two hundred thirty-seven thousand, three hundred twelve".