45454657 has 2 divisors, whose sum is σ = 45454658. Its totient is φ = 45454656.

The previous prime is 45454639. The next prime is 45454663. The reversal of 45454657 is 75645454.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44209201 + 1245456 = 6649^2 + 1116^2 .

It is a cyclic number.

It is not a de Polignac number, because 45454657 - 2¹¹ = 45452609 is a prime.

It is a super-2 number, since 2×45454657² = 4132251685975298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (45454627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22727328 + 22727329.

It is an arithmetic number, because the mean of its divisors is an integer number (22727329).

Almost surely, 2^45454657 is an apocalyptic number.

It is an amenable number.

45454657 is a deficient number, since it is larger than the sum of its proper divisors (1).

45454657 is an equidigital number, since it uses as much as digits as its factorization.

45454657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 40.

The square root of 45454657 is about 6742.0068970597. The cubic root of 45454657 is about 356.8832196818.

The spelling of 45454657 in words is "forty-five million, four hundred fifty-four thousand, six hundred fifty-seven".