45997453 has 2 divisors, whose sum is σ = 45997454. Its totient is φ = 45997452.

The previous prime is 45997439. The next prime is 45997489. The reversal of 45997453 is 35479954.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45941284 + 56169 = 6778^2 + 237^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45997453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45997433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22998726 + 22998727.

It is an arithmetic number, because the mean of its divisors is an integer number (22998727).

Almost surely, 2^45997453 is an apocalyptic number.

It is an amenable number.

45997453 is a deficient number, since it is larger than the sum of its proper divisors (1).

45997453 is an equidigital number, since it uses as much as digits as its factorization.

45997453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 46.

The square root of 45997453 is about 6782.1422131949. The cubic root of 45997453 is about 358.2981739194.

The spelling of 45997453 in words is "forty-five million, nine hundred ninety-seven thousand, four hundred fifty-three".