45448493 has 2 divisors, whose sum is σ = 45448494. Its totient is φ = 45448492.

The previous prime is 45448471. The next prime is 45448499. The reversal of 45448493 is 39484454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45131524 + 316969 = 6718^2 + 563^2 .

It is a cyclic number.

It is not a de Polignac number, because 45448493 - 2⁸ = 45448237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45448493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45448499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22724246 + 22724247.

It is an arithmetic number, because the mean of its divisors is an integer number (22724247).

Almost surely, 2^45448493 is an apocalyptic number.

It is an amenable number.

45448493 is a deficient number, since it is larger than the sum of its proper divisors (1).

45448493 is an equidigital number, since it uses as much as digits as its factorization.

45448493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 41.

The square root of 45448493 is about 6741.5497476470. The cubic root of 45448493 is about 356.8670869189.

The spelling of 45448493 in words is "forty-five million, four hundred forty-eight thousand, four hundred ninety-three".