45515777 has 2 divisors, whose sum is σ = 45515778. Its totient is φ = 45515776.

The previous prime is 45515759. The next prime is 45515791. The reversal of 45515777 is 77751554.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45212176 + 303601 = 6724^2 + 551^2 .

It is a cyclic number.

It is not a de Polignac number, because 45515777 - 2¹⁴ = 45499393 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45515737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757888 + 22757889.

It is an arithmetic number, because the mean of its divisors is an integer number (22757889).

Almost surely, 2^45515777 is an apocalyptic number.

It is an amenable number.

45515777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515777 is an equidigital number, since it uses as much as digits as its factorization.

45515777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 171500, while the sum is 41.

The square root of 45515777 is about 6746.5381493029. The cubic root of 45515777 is about 357.0431074645.

The spelling of 45515777 in words is "forty-five million, five hundred fifteen thousand, seven hundred seventy-seven".