45149777 has 2 divisors, whose sum is σ = 45149778. Its totient is φ = 45149776.

The previous prime is 45149771. The next prime is 45149779. The reversal of 45149777 is 77794154.

45149777 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., 42719296 + 2430481 = 6536^2 + 1559^2 .

It is a cyclic number.

It is not a de Polignac number, because 45149777 - 2¹⁴ = 45133393 is a prime.

Together with 45149779, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45149771) 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, 22574888 + 22574889.

It is an arithmetic number, because the mean of its divisors is an integer number (22574889).

Almost surely, 2^45149777 is an apocalyptic number.

It is an amenable number.

45149777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45149777 is an equidigital number, since it uses as much as digits as its factorization.

45149777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 246960, while the sum is 44.

The square root of 45149777 is about 6719.3583771071. The cubic root of 45149777 is about 356.0835162599.

The spelling of 45149777 in words is "forty-five million, one hundred forty-nine thousand, seven hundred seventy-seven".