45455497 has 2 divisors, whose sum is σ = 45455498. Its totient is φ = 45455496.

The previous prime is 45455489. The next prime is 45455513. The reversal of 45455497 is 79455454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25644096 + 19811401 = 5064^2 + 4451^2 .

It is a cyclic number.

It is not a de Polignac number, because 45455497 - 2³ = 45455489 is a prime.

It is not a weakly prime, because it can be changed into another prime (45455437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22727748 + 22727749.

It is an arithmetic number, because the mean of its divisors is an integer number (22727749).

Almost surely, 2^45455497 is an apocalyptic number.

It is an amenable number.

45455497 is a deficient number, since it is larger than the sum of its proper divisors (1).

45455497 is an equidigital number, since it uses as much as digits as its factorization.

45455497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The square root of 45455497 is about 6742.0691927627. The cubic root of 45455497 is about 356.8854180635.

Subtracting from 45455497 its sum of digits (43), we obtain a palindrome (45455454).

The spelling of 45455497 in words is "forty-five million, four hundred fifty-five thousand, four hundred ninety-seven".