45425812 has 12 divisors (see below), whose sum is σ = 79600500. Its totient is φ = 22682816.

The previous prime is 45425801. The next prime is 45425813. The reversal of 45425812 is 21852454.

It can be written as a sum of positive squares in 2 ways, for example, as 27836176 + 17589636 = 5276^2 + 4194^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45425813) 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, 3937 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (6633375).

Almost surely, 2^45425812 is an apocalyptic number.

It is an amenable number.

45425812 is a deficient number, since it is larger than the sum of its proper divisors (34174688).

45425812 is a wasteful number, since it uses less digits than its factorization.

45425812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050 (or 15048 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 45425812 is about 6739.8673577453. The cubic root of 45425812 is about 356.8077123853.

The spelling of 45425812 in words is "forty-five million, four hundred twenty-five thousand, eight hundred twelve".