45237393 has 8 divisors (see below), whose sum is σ = 67018400. Its totient is φ = 30158244.

The previous prime is 45237373. The next prime is 45237431. The reversal of 45237393 is 39373254.

It is a de Polignac number, because none of the positive numbers 2^k-45237393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45237373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837703 + ... + 837756.

It is an arithmetic number, because the mean of its divisors is an integer number (8377300).

Almost surely, 2^45237393 is an apocalyptic number.

It is an amenable number.

45237393 is a deficient number, since it is larger than the sum of its proper divisors (21781007).

45237393 is a wasteful number, since it uses less digits than its factorization.

45237393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675468 (or 1675462 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 45237393 is about 6725.8748873288. The cubic root of 45237393 is about 356.3137016281.

The spelling of 45237393 in words is "forty-five million, two hundred thirty-seven thousand, three hundred ninety-three".