45129377 has 2 divisors, whose sum is σ = 45129378. Its totient is φ = 45129376.

The previous prime is 45129367. The next prime is 45129421. The reversal of 45129377 is 77392154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44943616 + 185761 = 6704^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 45129377 - 2⁸ = 45129121 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45129377.

It is not a weakly prime, because it can be changed into another prime (45129367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22564688 + 22564689.

It is an arithmetic number, because the mean of its divisors is an integer number (22564689).

Almost surely, 2^45129377 is an apocalyptic number.

It is an amenable number.

45129377 is a deficient number, since it is larger than the sum of its proper divisors (1).

45129377 is an equidigital number, since it uses as much as digits as its factorization.

45129377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 38.

The square root of 45129377 is about 6717.8402035178. The cubic root of 45129377 is about 356.0298785048.

The spelling of 45129377 in words is "forty-five million, one hundred twenty-nine thousand, three hundred seventy-seven".