45452818 has 4 divisors (see below), whose sum is σ = 68179230. Its totient is φ = 22726408.

The previous prime is 45452801. The next prime is 45452819. The reversal of 45452818 is 81825454.

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., 44582329 + 870489 = 6677^2 + 933^2 .

It is a super-2 number, since 2×45452818² = 4131917328282248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45452819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363203 + ... + 11363206.

Almost surely, 2^45452818 is an apocalyptic number.

45452818 is a deficient number, since it is larger than the sum of its proper divisors (22726412).

45452818 is a wasteful number, since it uses less digits than its factorization.

45452818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22726411.

The product of its digits is 51200, while the sum is 37.

The square root of 45452818 is about 6741.8705119573. The cubic root of 45452818 is about 356.8784067016.

The spelling of 45452818 in words is "forty-five million, four hundred fifty-two thousand, eight hundred eighteen".