45447377 has 2 divisors, whose sum is σ = 45447378. Its totient is φ = 45447376.

The previous prime is 45447361. The next prime is 45447383. The reversal of 45447377 is 77374454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32993536 + 12453841 = 5744^2 + 3529^2 .

It is a cyclic number.

It is not a de Polignac number, because 45447377 - 2⁴ = 45447361 is a prime.

It is not a weakly prime, because it can be changed into another prime (45447277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22723688 + 22723689.

It is an arithmetic number, because the mean of its divisors is an integer number (22723689).

Almost surely, 2^45447377 is an apocalyptic number.

It is an amenable number.

45447377 is a deficient number, since it is larger than the sum of its proper divisors (1).

45447377 is an equidigital number, since it uses as much as digits as its factorization.

45447377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 41.

The square root of 45447377 is about 6741.4669768530. The cubic root of 45447377 is about 356.8641659058.

The spelling of 45447377 in words is "forty-five million, four hundred forty-seven thousand, three hundred seventy-seven".