45036839 has 4 divisors (see below), whose sum is σ = 45653856. Its totient is φ = 44419824.

The previous prime is 45036833. The next prime is 45036847. The reversal of 45036839 is 93863054.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45036839 is a prime.

It is a super-2 number, since 2×45036839² = 4056633734223842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45036833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308399 + ... + 308544.

It is an arithmetic number, because the mean of its divisors is an integer number (11413464).

Almost surely, 2^45036839 is an apocalyptic number.

45036839 is a deficient number, since it is larger than the sum of its proper divisors (617017).

45036839 is an equidigital number, since it uses as much as digits as its factorization.

45036839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617016.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 45036839 is about 6710.9491877081. The cubic root of 45036839 is about 355.7863650063.

The spelling of 45036839 in words is "forty-five million, thirty-six thousand, eight hundred thirty-nine".