45459922 has 4 divisors (see below), whose sum is σ = 68189886. Its totient is φ = 22729960.

The previous prime is 45459889. The next prime is 45459929. The reversal of 45459922 is 22995454.

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., 25290841 + 20169081 = 5029^2 + 4491^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (45459929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11364979 + ... + 11364982.

Almost surely, 2^45459922 is an apocalyptic number.

45459922 is a deficient number, since it is larger than the sum of its proper divisors (22729964).

45459922 is a wasteful number, since it uses less digits than its factorization.

45459922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22729963.

The product of its digits is 129600, while the sum is 40.

The square root of 45459922 is about 6742.3973481248. The cubic root of 45459922 is about 356.8969983771.

The spelling of 45459922 in words is "forty-five million, four hundred fifty-nine thousand, nine hundred twenty-two".