45425722 has 4 divisors (see below), whose sum is σ = 68138586. Its totient is φ = 22712860.

The previous prime is 45425707. The next prime is 45425767. The reversal of 45425722 is 22752454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 29257281 + 16168441 = 5409^2 + 4021^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11356429 + ... + 11356432.

Almost surely, 2^45425722 is an apocalyptic number.

45425722 is a deficient number, since it is larger than the sum of its proper divisors (22712864).

45425722 is a wasteful number, since it uses less digits than its factorization.

45425722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22712863.

The product of its digits is 22400, while the sum is 31.

The square root of 45425722 is about 6739.8606810527. The cubic root of 45425722 is about 356.8074767431.

The spelling of 45425722 in words is "forty-five million, four hundred twenty-five thousand, seven hundred twenty-two".