45012112 has 10 divisors (see below), whose sum is σ = 87210998. Its totient is φ = 22506048.

The previous prime is 45012059. The next prime is 45012119. The reversal of 45012112 is 21121054.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 12931216 = 5664^2 + 3596^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 2813257 = 45012112 / (4 + 5 + 0 + 1 + 2 + 1 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (45012119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406613 + ... + 1406644.

Almost surely, 2^45012112 is an apocalyptic number.

It is an amenable number.

45012112 is a deficient number, since it is larger than the sum of its proper divisors (42198886).

45012112 is a wasteful number, since it uses less digits than its factorization.

45012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813265 (or 2813259 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 45012112 is about 6709.1066469389. The cubic root of 45012112 is about 355.7212395061.

Adding to 45012112 its reverse (21121054), we get a palindrome (66133166).

The spelling of 45012112 in words is "forty-five million, twelve thousand, one hundred twelve".