45939497 has 2 divisors, whose sum is σ = 45939498. Its totient is φ = 45939496.

The previous prime is 45939463. The next prime is 45939563. The reversal of 45939497 is 79493954.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29203216 + 16736281 = 5404^2 + 4091^2 .

It is a cyclic number.

It is not a de Polignac number, because 45939497 - 2¹⁴ = 45923113 is a prime.

It is a super-2 number, since 2×45939497² = 4220874769226018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45939407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22969748 + 22969749.

It is an arithmetic number, because the mean of its divisors is an integer number (22969749).

Almost surely, 2^45939497 is an apocalyptic number.

It is an amenable number.

45939497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45939497 is an equidigital number, since it uses as much as digits as its factorization.

45939497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 45939497 is about 6777.8681751713. The cubic root of 45939497 is about 358.1476274933.

The spelling of 45939497 in words is "forty-five million, nine hundred thirty-nine thousand, four hundred ninety-seven".