45122612 has 6 divisors (see below), whose sum is σ = 78964578. Its totient is φ = 22561304.

The previous prime is 45122599. The next prime is 45122617. The reversal of 45122612 is 21622154.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 17956 = 6716^2 + 134^2 .

It is a super-2 number, since 2×45122612² = 4072100227405088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45122617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640323 + ... + 5640330.

It is an arithmetic number, because the mean of its divisors is an integer number (13160763).

Almost surely, 2^45122612 is an apocalyptic number.

It is an amenable number.

45122612 is a deficient number, since it is larger than the sum of its proper divisors (33841966).

45122612 is a wasteful number, since it uses less digits than its factorization.

45122612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280657 (or 11280655 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 45122612 is about 6717.3366746055. The cubic root of 45122612 is about 356.0120877098.

Adding to 45122612 its reverse (21622154), we get a palindrome (66744766).

The spelling of 45122612 in words is "forty-five million, one hundred twenty-two thousand, six hundred twelve".