45147712 has 28 divisors (see below), whose sum is σ = 93488256. Its totient is φ = 21591680.

The previous prime is 45147703. The next prime is 45147719. The reversal of 45147712 is 21774154.

It is not an unprimeable number, because it can be changed into a prime (45147719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13864 + ... + 16807.

Almost surely, 2^45147712 is an apocalyptic number.

It is an amenable number.

45147712 is an abundant number, since it is smaller than the sum of its proper divisors (48340544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45147712 is a wasteful number, since it uses less digits than its factorization.

45147712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30706 (or 30696 counting only the distinct ones).

The product of its digits is 7840, while the sum is 31.

The square root of 45147712 is about 6719.2047148454. The cubic root of 45147712 is about 356.0780874869.

The spelling of 45147712 in words is "forty-five million, one hundred forty-seven thousand, seven hundred twelve".