45617839 has 8 divisors (see below), whose sum is σ = 46679360. Its totient is φ = 44568576.

The previous prime is 45617801. The next prime is 45617843. The reversal of 45617839 is 93871654.

45617839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45617839 - 2¹⁹ = 45093551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45617795 and 45617804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45617339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687 + ... + 10639.

It is an arithmetic number, because the mean of its divisors is an integer number (5834920).

Almost surely, 2^45617839 is an apocalyptic number.

45617839 is a deficient number, since it is larger than the sum of its proper divisors (1061521).

45617839 is an equidigital number, since it uses as much as digits as its factorization.

45617839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129.

The product of its digits is 181440, while the sum is 43.

The square root of 45617839 is about 6754.0979412502. The cubic root of 45617839 is about 357.3097793200.

The spelling of 45617839 in words is "forty-five million, six hundred seventeen thousand, eight hundred thirty-nine".