45494777 has 2 divisors, whose sum is σ = 45494778. Its totient is φ = 45494776.

The previous prime is 45494689. The next prime is 45494821. The reversal of 45494777 is 77749454.

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., 45414121 + 80656 = 6739^2 + 284^2 .

It is a cyclic number.

It is not a de Polignac number, because 45494777 - 2¹⁰ = 45493753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45494077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22747388 + 22747389.

It is an arithmetic number, because the mean of its divisors is an integer number (22747389).

Almost surely, 2^45494777 is an apocalyptic number.

It is an amenable number.

45494777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45494777 is an equidigital number, since it uses as much as digits as its factorization.

45494777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The square root of 45494777 is about 6744.9816159868. The cubic root of 45494777 is about 356.9881883488.

The spelling of 45494777 in words is "forty-five million, four hundred ninety-four thousand, seven hundred seventy-seven".