45644212 has 6 divisors (see below), whose sum is σ = 79877378. Its totient is φ = 22822104.

The previous prime is 45644197. The next prime is 45644227. The reversal of 45644212 is 21244654.

It is an interprime number because it is at equal distance from previous prime (45644197) and next prime (45644227).

It can be written as a sum of positive squares in only one way, i.e., 45643536 + 676 = 6756^2 + 26^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5705523 + ... + 5705530.

Almost surely, 2^45644212 is an apocalyptic number.

It is an amenable number.

45644212 is a deficient number, since it is larger than the sum of its proper divisors (34233166).

45644212 is a wasteful number, since it uses less digits than its factorization.

45644212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11411057 (or 11411055 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 45644212 is about 6756.0500294181. The cubic root of 45644212 is about 357.3786231147.

Adding to 45644212 its reverse (21244654), we get a palindrome (66888866).

The spelling of 45644212 in words is "forty-five million, six hundred forty-four thousand, two hundred twelve".