45319277 has 2 divisors, whose sum is σ = 45319278. Its totient is φ = 45319276.

The previous prime is 45319243. The next prime is 45319301. The reversal of 45319277 is 77291354.

45319277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39262756 + 6056521 = 6266^2 + 2461^2 .

It is a cyclic number.

It is not a de Polignac number, because 45319277 - 2¹² = 45315181 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45319277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45319217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22659638 + 22659639.

It is an arithmetic number, because the mean of its divisors is an integer number (22659639).

Almost surely, 2^45319277 is an apocalyptic number.

It is an amenable number.

45319277 is a deficient number, since it is larger than the sum of its proper divisors (1).

45319277 is an equidigital number, since it uses as much as digits as its factorization.

45319277 is an odious number, because the sum of its binary digits is odd.

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

The square root of 45319277 is about 6731.9593730206. The cubic root of 45319277 is about 356.5285593146.

The spelling of 45319277 in words is "forty-five million, three hundred nineteen thousand, two hundred seventy-seven".