45130277 has 2 divisors, whose sum is σ = 45130278. Its totient is φ = 45130276.

The previous prime is 45130273. The next prime is 45130289. The reversal of 45130277 is 77203154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 6180196 = 6241^2 + 2486^2 .

It is a cyclic number.

It is not a de Polignac number, because 45130277 - 2² = 45130273 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45130271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22565138 + 22565139.

It is an arithmetic number, because the mean of its divisors is an integer number (22565139).

Almost surely, 2^45130277 is an apocalyptic number.

It is an amenable number.

45130277 is a deficient number, since it is larger than the sum of its proper divisors (1).

45130277 is an equidigital number, since it uses as much as digits as its factorization.

45130277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 45130277 is about 6717.9071889987. The cubic root of 45130277 is about 356.0322452171.

The spelling of 45130277 in words is "forty-five million, one hundred thirty thousand, two hundred seventy-seven".