45231377 has 2 divisors, whose sum is σ = 45231378. Its totient is φ = 45231376.

The previous prime is 45231341. The next prime is 45231383. The reversal of 45231377 is 77313254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45171841 + 59536 = 6721^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 45231377 - 2¹⁴ = 45214993 is a prime.

It is a super-2 number, since 2×45231377² = 4091754930632258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45231337) 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, 22615688 + 22615689.

It is an arithmetic number, because the mean of its divisors is an integer number (22615689).

Almost surely, 2^45231377 is an apocalyptic number.

It is an amenable number.

45231377 is a deficient number, since it is larger than the sum of its proper divisors (1).

45231377 is an equidigital number, since it uses as much as digits as its factorization.

45231377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17640, while the sum is 32.

The square root of 45231377 is about 6725.4276443956. The cubic root of 45231377 is about 356.2979058589.

The spelling of 45231377 in words is "forty-five million, two hundred thirty-one thousand, three hundred seventy-seven".