45210644 has 12 divisors (see below), whose sum is σ = 79267104. Its totient is φ = 22562904.

The previous prime is 45210629. The next prime is 45210689. The reversal of 45210644 is 44601254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8144 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (6605592).

Almost surely, 2^45210644 is an apocalyptic number.

It is an amenable number.

45210644 is a deficient number, since it is larger than the sum of its proper divisors (34056460).

45210644 is a wasteful number, since it uses less digits than its factorization.

45210644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21214 (or 21212 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 45210644 is about 6723.8860787494. The cubic root of 45210644 is about 356.2434580106.

Adding to 45210644 its reverse (44601254), we get a palindrome (89811898).

It can be divided in two parts, 45210 and 644, that added together give a palindrome (45854).

The spelling of 45210644 in words is "forty-five million, two hundred ten thousand, six hundred forty-four".