45803421 has 8 divisors (see below), whose sum is σ = 67856960. Its totient is φ = 30535596.

The previous prime is 45803413. The next prime is 45803431. The reversal of 45803421 is 12430854.

It is not a de Polignac number, because 45803421 - 2³ = 45803413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1696423 = 45803421 / (4 + 5 + 8 + 0 + 3 + 4 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45803431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 848185 + ... + 848238.

It is an arithmetic number, because the mean of its divisors is an integer number (8482120).

Almost surely, 2^45803421 is an apocalyptic number.

It is an amenable number.

45803421 is a deficient number, since it is larger than the sum of its proper divisors (22053539).

45803421 is a wasteful number, since it uses less digits than its factorization.

45803421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696432 (or 1696426 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 45803421 is about 6767.8224710759. The cubic root of 45803421 is about 357.7936583368.

It can be divided in two parts, 4580 and 3421, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 45803421 in words is "forty-five million, eight hundred three thousand, four hundred twenty-one".