45020344 has 8 divisors (see below), whose sum is σ = 84413160. Its totient is φ = 22510168.

The previous prime is 45020333. The next prime is 45020347. The reversal of 45020344 is 44302054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813764 + ... + 2813779.

It is an arithmetic number, because the mean of its divisors is an integer number (10551645).

Almost surely, 2^45020344 is an apocalyptic number.

It is an amenable number.

45020344 is a deficient number, since it is larger than the sum of its proper divisors (39392816).

45020344 is a wasteful number, since it uses less digits than its factorization.

45020344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627549 (or 5627545 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45020344 is about 6709.7201133877. The cubic root of 45020344 is about 355.7429234383.

Adding to 45020344 its reverse (44302054), we get a palindrome (89322398).

The spelling of 45020344 in words is "forty-five million, twenty thousand, three hundred forty-four".