45161212 has 6 divisors (see below), whose sum is σ = 79032128. Its totient is φ = 22580604.

The previous prime is 45161209. The next prime is 45161227. The reversal of 45161212 is 21216154.

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, 5645148 + ... + 5645155.

Almost surely, 2^45161212 is an apocalyptic number.

It is an amenable number.

45161212 is a deficient number, since it is larger than the sum of its proper divisors (33870916).

45161212 is a wasteful number, since it uses less digits than its factorization.

45161212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11290307 (or 11290305 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 45161212 is about 6720.2092229335. The cubic root of 45161212 is about 356.1135752589.

Adding to 45161212 its reverse (21216154), we get a palindrome (66377366).

The spelling of 45161212 in words is "forty-five million, one hundred sixty-one thousand, two hundred twelve".