45309959 has 2 divisors, whose sum is σ = 45309960. Its totient is φ = 45309958.

The previous prime is 45309907. The next prime is 45309967. The reversal of 45309959 is 95990354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45309959 - 2⁸ = 45309703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45303959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22654979 + 22654980.

It is an arithmetic number, because the mean of its divisors is an integer number (22654980).

Almost surely, 2^45309959 is an apocalyptic number.

45309959 is a deficient number, since it is larger than the sum of its proper divisors (1).

45309959 is an equidigital number, since it uses as much as digits as its factorization.

45309959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 45309959 is about 6731.2672655303. The cubic root of 45309959 is about 356.5041226139.

The spelling of 45309959 in words is "forty-five million, three hundred nine thousand, nine hundred fifty-nine".