45317212 has 12 divisors (see below), whose sum is σ = 80992800. Its totient is φ = 22176416.

The previous prime is 45317201. The next prime is 45317231. The reversal of 45317212 is 21271354.

It is a happy number.

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, 120337 + ... + 120712.

It is an arithmetic number, because the mean of its divisors is an integer number (6749400).

Almost surely, 2^45317212 is an apocalyptic number.

It is an amenable number.

45317212 is a deficient number, since it is larger than the sum of its proper divisors (35675588).

45317212 is a wasteful number, since it uses less digits than its factorization.

45317212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241100 (or 241098 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 45317212 is about 6731.8059983930. The cubic root of 45317212 is about 356.5231440866.

Adding to 45317212 its reverse (21271354), we get a palindrome (66588566).

The spelling of 45317212 in words is "forty-five million, three hundred seventeen thousand, two hundred twelve".