45505679 has 2 divisors, whose sum is σ = 45505680. Its totient is φ = 45505678.

The previous prime is 45505637. The next prime is 45505687. The reversal of 45505679 is 97650554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45505679 - 2²⁰ = 44457103 is a prime.

It is equal to p_2746994 and since 45505679 and 2746994 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45505619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22752839 + 22752840.

It is an arithmetic number, because the mean of its divisors is an integer number (22752840).

Almost surely, 2^45505679 is an apocalyptic number.

45505679 is a deficient number, since it is larger than the sum of its proper divisors (1).

45505679 is an equidigital number, since it uses as much as digits as its factorization.

45505679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 45505679 is about 6745.7897239686. The cubic root of 45505679 is about 357.0167013243.

The spelling of 45505679 in words is "forty-five million, five hundred five thousand, six hundred seventy-nine".