45031245 has 48 divisors (see below), whose sum is σ = 84509568. Its totient is φ = 20415360.

The previous prime is 45031223. The next prime is 45031307. The reversal of 45031245 is 54213054.

It is not a de Polignac number, because 45031245 - 2⁵ = 45031213 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 144640 + ... + 144950.

It is an arithmetic number, because the mean of its divisors is an integer number (1760616).

Almost surely, 2^45031245 is an apocalyptic number.

It is an amenable number.

45031245 is a deficient number, since it is larger than the sum of its proper divisors (39478323).

45031245 is a wasteful number, since it uses less digits than its factorization.

45031245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 45031245 is about 6710.5323931861. The cubic root of 45031245 is about 355.7716337228.

Adding to 45031245 its reverse (54213054), we get a palindrome (99244299).

The spelling of 45031245 in words is "forty-five million, thirty-one thousand, two hundred forty-five".