45183213 has 12 divisors (see below), whose sum is σ = 67370368. Its totient is φ = 29150280.

The previous prime is 45183191. The next prime is 45183221. The reversal of 45183213 is 31238154.

It is a happy number.

It is not a de Polignac number, because 45183213 - 2¹² = 45179117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45183223) 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, 80695 + ... + 81252.

Almost surely, 2^45183213 is an apocalyptic number.

It is an amenable number.

45183213 is a deficient number, since it is larger than the sum of its proper divisors (22187155).

45183213 is a wasteful number, since it uses less digits than its factorization.

45183213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161984 (or 161981 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 45183213 is about 6721.8459518201. The cubic root of 45183213 is about 356.1713946610.

The spelling of 45183213 in words is "forty-five million, one hundred eighty-three thousand, two hundred thirteen".