45339019 has 12 divisors (see below), whose sum is σ = 51119640. Its totient is φ = 39878400.

The previous prime is 45339013. The next prime is 45339029. The reversal of 45339019 is 91093354.

It is not a de Polignac number, because 45339019 - 2⁵ = 45338987 is a prime.

It is a super-2 number, since 2×45339019² = 4111253287764722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45339013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8427 + ... + 12715.

It is an arithmetic number, because the mean of its divisors is an integer number (4259970).

Almost surely, 2^45339019 is an apocalyptic number.

45339019 is a deficient number, since it is larger than the sum of its proper divisors (5780621).

45339019 is a wasteful number, since it uses less digits than its factorization.

45339019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4362 (or 4331 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 45339019 is about 6733.4255026695. The cubic root of 45339019 is about 356.5803221661.

The spelling of 45339019 in words is "forty-five million, three hundred thirty-nine thousand, nineteen".