45405712 has 20 divisors (see below), whose sum is σ = 95971536. Its totient is φ = 20638880.

The previous prime is 45405709. The next prime is 45405719. The reversal of 45405712 is 21750454.

It is not an unprimeable number, because it can be changed into a prime (45405719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128818 + ... + 129169.

Almost surely, 2^45405712 is an apocalyptic number.

It is an amenable number.

45405712 is an abundant number, since it is smaller than the sum of its proper divisors (50565824).

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

45405712 is a wasteful number, since it uses less digits than its factorization.

45405712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258006 (or 258000 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 45405712 is about 6738.3760654923. The cubic root of 45405712 is about 356.7550778973.

The spelling of 45405712 in words is "forty-five million, four hundred five thousand, seven hundred twelve".