45498457 has 2 divisors, whose sum is σ = 45498458. Its totient is φ = 45498456.

The previous prime is 45498451. The next prime is 45498473. The reversal of 45498457 is 75489454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41422096 + 4076361 = 6436^2 + 2019^2 .

It is a cyclic number.

It is not a de Polignac number, because 45498457 - 2³ = 45498449 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45498451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22749228 + 22749229.

It is an arithmetic number, because the mean of its divisors is an integer number (22749229).

Almost surely, 2^45498457 is an apocalyptic number.

It is an amenable number.

45498457 is a deficient number, since it is larger than the sum of its proper divisors (1).

45498457 is an equidigital number, since it uses as much as digits as its factorization.

45498457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 806400, while the sum is 46.

The square root of 45498457 is about 6745.2544058768. The cubic root of 45498457 is about 356.9978134911.

The spelling of 45498457 in words is "forty-five million, four hundred ninety-eight thousand, four hundred fifty-seven".