45974491 has 2 divisors, whose sum is σ = 45974492. Its totient is φ = 45974490.

The previous prime is 45974459. The next prime is 45974503. The reversal of 45974491 is 19447954.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45974491 - 2⁵ = 45974459 is a prime.

It is a super-2 number, since 2×45974491² = 4227307645418162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45974431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22987245 + 22987246.

It is an arithmetic number, because the mean of its divisors is an integer number (22987246).

Almost surely, 2^45974491 is an apocalyptic number.

45974491 is a deficient number, since it is larger than the sum of its proper divisors (1).

45974491 is an equidigital number, since it uses as much as digits as its factorization.

45974491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 43.

The square root of 45974491 is about 6780.4491739117. The cubic root of 45974491 is about 358.2385429940.

The spelling of 45974491 in words is "forty-five million, nine hundred seventy-four thousand, four hundred ninety-one".