45844389 has 12 divisors (see below), whose sum is σ = 68503500. Its totient is φ = 29508864.

The previous prime is 45844363. The next prime is 45844391. The reversal of 45844389 is 98344854.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30305025 + 15539364 = 5505^2 + 3942^2 .

It is not a de Polignac number, because 45844389 - 2¹¹ = 45842341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45844349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87564 + ... + 88085.

It is an arithmetic number, because the mean of its divisors is an integer number (5708625).

Almost surely, 2^45844389 is an apocalyptic number.

It is an amenable number.

45844389 is a deficient number, since it is larger than the sum of its proper divisors (22659111).

45844389 is a wasteful number, since it uses less digits than its factorization.

45844389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175684 (or 175681 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 45844389 is about 6770.8484697267. The cubic root of 45844389 is about 357.9003004625.

The spelling of 45844389 in words is "forty-five million, eight hundred forty-four thousand, three hundred eighty-nine".