45339919 has 2 divisors, whose sum is σ = 45339920. Its totient is φ = 45339918.

The previous prime is 45339881. The next prime is 45339929. The reversal of 45339919 is 91993354.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45339919 is a prime.

It is a super-2 number, since 2×45339919² = 4111416509853122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45339929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22669959 + 22669960.

It is an arithmetic number, because the mean of its divisors is an integer number (22669960).

Almost surely, 2^45339919 is an apocalyptic number.

45339919 is a deficient number, since it is larger than the sum of its proper divisors (1).

45339919 is an equidigital number, since it uses as much as digits as its factorization.

45339919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 43.

The square root of 45339919 is about 6733.4923331062. The cubic root of 45339919 is about 356.5826815773.

The spelling of 45339919 in words is "forty-five million, three hundred thirty-nine thousand, nine hundred nineteen".