45547373 has 2 divisors, whose sum is σ = 45547374. Its totient is φ = 45547372.

The previous prime is 45547357. The next prime is 45547391. The reversal of 45547373 is 37374554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37724164 + 7823209 = 6142^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 45547373 - 2⁴ = 45547357 is a prime.

It is a super-2 number, since 2×45547373² = 4149126374402258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45547303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22773686 + 22773687.

It is an arithmetic number, because the mean of its divisors is an integer number (22773687).

Almost surely, 2^45547373 is an apocalyptic number.

It is an amenable number.

45547373 is a deficient number, since it is larger than the sum of its proper divisors (1).

45547373 is an equidigital number, since it uses as much as digits as its factorization.

45547373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176400, while the sum is 38.

The square root of 45547373 is about 6748.8793884615. The cubic root of 45547373 is about 357.1257053782.

The spelling of 45547373 in words is "forty-five million, five hundred forty-seven thousand, three hundred seventy-three".