45220079 has 2 divisors, whose sum is σ = 45220080. Its totient is φ = 45220078.

The previous prime is 45220039. The next prime is 45220117. The reversal of 45220079 is 97002254.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45220079 - 2²⁴ = 28442863 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45220009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22610039 + 22610040.

It is an arithmetic number, because the mean of its divisors is an integer number (22610040).

Almost surely, 2^45220079 is an apocalyptic number.

45220079 is a deficient number, since it is larger than the sum of its proper divisors (1).

45220079 is an equidigital number, since it uses as much as digits as its factorization.

45220079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 45220079 is about 6724.5876453505. The cubic root of 45220079 is about 356.2682377449.

The spelling of 45220079 in words is "forty-five million, two hundred twenty thousand, seventy-nine".