45015679 has 2 divisors, whose sum is σ = 45015680. Its totient is φ = 45015678.

The previous prime is 45015673. The next prime is 45015683. The reversal of 45015679 is 97651054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45015679 - 2³ = 45015671 is a prime.

It is a super-2 number, since 2×45015679² = 4052822711662082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45015671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22507839 + 22507840.

It is an arithmetic number, because the mean of its divisors is an integer number (22507840).

Almost surely, 2^45015679 is an apocalyptic number.

45015679 is a deficient number, since it is larger than the sum of its proper divisors (1).

45015679 is an equidigital number, since it uses as much as digits as its factorization.

45015679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 45015679 is about 6709.3724743824. The cubic root of 45015679 is about 355.7306356745.

It can be divided in two parts, 450 and 15679, that added together give a square (16129 = 127²).

The spelling of 45015679 in words is "forty-five million, fifteen thousand, six hundred seventy-nine".