45105712 has 20 divisors (see below), whose sum is σ = 89253216. Its totient is φ = 22072640.

The previous prime is 45105653. The next prime is 45105719. The reversal of 45105712 is 21750154.

It is not an unprimeable number, because it can be changed into a prime (45105719) 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, 29239 + ... + 30742.

Almost surely, 2^45105712 is an apocalyptic number.

It is an amenable number.

45105712 is a deficient number, since it is larger than the sum of its proper divisors (44147504).

45105712 is a wasteful number, since it uses less digits than its factorization.

45105712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60036 (or 60030 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 45105712 is about 6716.0786177650. The cubic root of 45105712 is about 355.9676358240.

Adding to 45105712 its reverse (21750154), we get a palindrome (66855866).

The spelling of 45105712 in words is "forty-five million, one hundred five thousand, seven hundred twelve".