45451277 has 2 divisors, whose sum is σ = 45451278. Its totient is φ = 45451276.

The previous prime is 45451261. The next prime is 45451291. The reversal of 45451277 is 77215454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28526281 + 16924996 = 5341^2 + 4114^2 .

It is a cyclic number.

It is not a de Polignac number, because 45451277 - 2⁴ = 45451261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45451297) 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, 22725638 + 22725639.

It is an arithmetic number, because the mean of its divisors is an integer number (22725639).

Almost surely, 2^45451277 is an apocalyptic number.

It is an amenable number.

45451277 is a deficient number, since it is larger than the sum of its proper divisors (1).

45451277 is an equidigital number, since it uses as much as digits as its factorization.

45451277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39200, while the sum is 35.

The square root of 45451277 is about 6741.7562251983. The cubic root of 45451277 is about 356.8743735388.

The spelling of 45451277 in words is "forty-five million, four hundred fifty-one thousand, two hundred seventy-seven".