45475297 has 4 divisors (see below), whose sum is σ = 51971776. Its totient is φ = 38978820.

The previous prime is 45475259. The next prime is 45475307. The reversal of 45475297 is 79257454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79257454 = 2 ⋅39628727.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45475297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45475217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3248229 + ... + 3248242.

It is an arithmetic number, because the mean of its divisors is an integer number (12992944).

Almost surely, 2^45475297 is an apocalyptic number.

It is an amenable number.

45475297 is a deficient number, since it is larger than the sum of its proper divisors (6496479).

45475297 is an equidigital number, since it uses as much as digits as its factorization.

45475297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6496478.

The product of its digits is 352800, while the sum is 43.

The square root of 45475297 is about 6743.5374248239. The cubic root of 45475297 is about 356.9372292193.

The spelling of 45475297 in words is "forty-five million, four hundred seventy-five thousand, two hundred ninety-seven".