45398747 has 2 divisors, whose sum is σ = 45398748. Its totient is φ = 45398746.

The previous prime is 45398737. The next prime is 45398753. The reversal of 45398747 is 74789354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45398747 - 2⁸ = 45398491 is a prime.

It is a super-2 number, since 2×45398747² = 4122092458340018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45398707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22699373 + 22699374.

It is an arithmetic number, because the mean of its divisors is an integer number (22699374).

Almost surely, 2^45398747 is an apocalyptic number.

45398747 is a deficient number, since it is larger than the sum of its proper divisors (1).

45398747 is an equidigital number, since it uses as much as digits as its factorization.

45398747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 45398747 is about 6737.8592297554. The cubic root of 45398747 is about 356.7368355068.

The spelling of 45398747 in words is "forty-five million, three hundred ninety-eight thousand, seven hundred forty-seven".