45415493 has 2 divisors, whose sum is σ = 45415494. Its totient is φ = 45415492.

The previous prime is 45415477. The next prime is 45415499. The reversal of 45415493 is 39451454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 8958049 = 6038^2 + 2993^2 .

It is a cyclic number.

It is not a de Polignac number, because 45415493 - 2⁴ = 45415477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45415499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22707746 + 22707747.

It is an arithmetic number, because the mean of its divisors is an integer number (22707747).

Almost surely, 2^45415493 is an apocalyptic number.

It is an amenable number.

45415493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45415493 is an equidigital number, since it uses as much as digits as its factorization.

45415493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 45415493 is about 6739.1017947498. The cubic root of 45415493 is about 356.7806926693.

The spelling of 45415493 in words is "forty-five million, four hundred fifteen thousand, four hundred ninety-three".