45481882 has 4 divisors (see below), whose sum is σ = 68222826. Its totient is φ = 22740940.

The previous prime is 45481871. The next prime is 45481883. The reversal of 45481882 is 28818454.

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., 32729841 + 12752041 = 5721^2 + 3571^2 .

It is not an unprimeable number, because it can be changed into a prime (45481883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370469 + ... + 11370472.

Almost surely, 2^45481882 is an apocalyptic number.

45481882 is a deficient number, since it is larger than the sum of its proper divisors (22740944).

45481882 is a wasteful number, since it uses less digits than its factorization.

45481882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22740943.

The product of its digits is 81920, while the sum is 40.

The square root of 45481882 is about 6744.0256523830. The cubic root of 45481882 is about 356.9544570212.

The spelling of 45481882 in words is "forty-five million, four hundred eighty-one thousand, eight hundred eighty-two".