45400373 has 2 divisors, whose sum is σ = 45400374. Its totient is φ = 45400372.

The previous prime is 45400361. The next prime is 45400393. The reversal of 45400373 is 37300454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44849809 + 550564 = 6697^2 + 742^2 .

It is a cyclic number.

It is not a de Polignac number, because 45400373 - 2⁴ = 45400357 is a prime.

It is a super-2 number, since 2×45400373² = 4122387737078258, 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 (45400393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22700186 + 22700187.

It is an arithmetic number, because the mean of its divisors is an integer number (22700187).

Almost surely, 2^45400373 is an apocalyptic number.

It is an amenable number.

45400373 is a deficient number, since it is larger than the sum of its proper divisors (1).

45400373 is an equidigital number, since it uses as much as digits as its factorization.

45400373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 45400373 is about 6737.9798901451. The cubic root of 45400373 is about 356.7410944142.

The spelling of 45400373 in words is "forty-five million, four hundred thousand, three hundred seventy-three".