45803639 has 4 divisors (see below), whose sum is σ = 52347024. Its totient is φ = 39260256.

The previous prime is 45803629. The next prime is 45803657. The reversal of 45803639 is 93630854.

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

It is not a de Polignac number, because 45803639 - 2¹⁶ = 45738103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45803609) 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, 3271682 + ... + 3271695.

It is an arithmetic number, because the mean of its divisors is an integer number (13086756).

Almost surely, 2^45803639 is an apocalyptic number.

45803639 is a deficient number, since it is larger than the sum of its proper divisors (6543385).

45803639 is an equidigital number, since it uses as much as digits as its factorization.

45803639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6543384.

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

The square root of 45803639 is about 6767.8385766802. The cubic root of 45803639 is about 357.7942259719.

The spelling of 45803639 in words is "forty-five million, eight hundred three thousand, six hundred thirty-nine".