45199377 has 10 divisors (see below), whose sum is σ = 67520178. Its totient is φ = 30132864.

The previous prime is 45199373. The next prime is 45199397. The reversal of 45199377 is 77399154.

It can be written as a sum of positive squares in only one way, i.e., 26224641 + 18974736 = 5121^2 + 4356^2 .

It is not a de Polignac number, because 45199377 - 2² = 45199373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45199373) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 278928 + ... + 279089.

Almost surely, 2^45199377 is an apocalyptic number.

It is an amenable number.

45199377 is a deficient number, since it is larger than the sum of its proper divisors (22320801).

45199377 is an equidigital number, since it uses as much as digits as its factorization.

45199377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558029 (or 558020 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 45199377 is about 6723.0481925984. The cubic root of 45199377 is about 356.2138622623.

The spelling of 45199377 in words is "forty-five million, one hundred ninety-nine thousand, three hundred seventy-seven".