45372113 has 2 divisors, whose sum is σ = 45372114. Its totient is φ = 45372112.

The previous prime is 45372073. The next prime is 45372137. The reversal of 45372113 is 31127354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43864129 + 1507984 = 6623^2 + 1228^2 .

It is a cyclic number.

It is not a de Polignac number, because 45372113 - 2⁶ = 45372049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45372143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22686056 + 22686057.

It is an arithmetic number, because the mean of its divisors is an integer number (22686057).

Almost surely, 2^45372113 is an apocalyptic number.

It is an amenable number.

45372113 is a deficient number, since it is larger than the sum of its proper divisors (1).

45372113 is an equidigital number, since it uses as much as digits as its factorization.

45372113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 45372113 is about 6735.8824960060. The cubic root of 45372113 is about 356.6670598107.

Adding to 45372113 its reverse (31127354), we get a palindrome (76499467).

The spelling of 45372113 in words is "forty-five million, three hundred seventy-two thousand, one hundred thirteen".