45421841 has 12 divisors (see below), whose sum is σ = 48934572. Its totient is φ = 42144768.

The previous prime is 45421793. The next prime is 45421843. The reversal of 45421841 is 14812454.

It can be written as a sum of positive squares in 6 ways, for example, as 250000 + 45171841 = 500^2 + 6721^2 .

It is a de Polignac number, because none of the positive numbers 2^k-45421841 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45421843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20021 + ... + 22173.

It is an arithmetic number, because the mean of its divisors is an integer number (4077881).

Almost surely, 2^45421841 is an apocalyptic number.

It is an amenable number.

45421841 is a deficient number, since it is larger than the sum of its proper divisors (3512731).

45421841 is a wasteful number, since it uses less digits than its factorization.

45421841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260 (or 2243 counting only the distinct ones).

The product of its digits is 5120, while the sum is 29.

The square root of 45421841 is about 6739.5727609397. The cubic root of 45421841 is about 356.7973150315.

The spelling of 45421841 in words is "forty-five million, four hundred twenty-one thousand, eight hundred forty-one".