45389712 has 40 divisors (see below), whose sum is σ = 118679904. Its totient is φ = 14946304.

The previous prime is 45389683. The next prime is 45389719. The reversal of 45389712 is 21798354.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45389719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 9680.

Almost surely, 2^45389712 is an apocalyptic number.

It is an amenable number.

45389712 is an abundant number, since it is smaller than the sum of its proper divisors (73290192).

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

45389712 is a wasteful number, since it uses less digits than its factorization.

45389712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11487 (or 11481 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 45389712 is about 6737.1887312142. The cubic root of 45389712 is about 356.7131686925.

The spelling of 45389712 in words is "forty-five million, three hundred eighty-nine thousand, seven hundred twelve".