45054644 has 12 divisors (see below), whose sum is σ = 79004100. Its totient is φ = 22482048.

The previous prime is 45054637. The next prime is 45054649. The reversal of 45054644 is 44645054.

It can be written as a sum of positive squares in 2 ways, for example, as 40475044 + 4579600 = 6362^2 + 2140^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45054644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45054649) 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, 9029 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (6583675).

Almost surely, 2^45054644 is an apocalyptic number.

It is an amenable number.

45054644 is a deficient number, since it is larger than the sum of its proper divisors (33949456).

45054644 is a wasteful number, since it uses less digits than its factorization.

45054644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642 (or 22640 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 45054644 is about 6712.2756200859. The cubic root of 45054644 is about 355.8332447145.

Adding to 45054644 its reverse (44645054), we get a palindrome (89699698).

The spelling of 45054644 in words is "forty-five million, fifty-four thousand, six hundred forty-four".