45381565802 has 4 divisors (see below), whose sum is σ = 68072348706. Its totient is φ = 22690782900.

The previous prime is 45381565769. The next prime is 45381565813. The reversal of 45381565802 is 20856518354.

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., 29900980561 + 15480585241 = 172919^2 + 124421^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11345391449 + ... + 11345391452.

Almost surely, 2^45381565802 is an apocalyptic number.

45381565802 is a deficient number, since it is larger than the sum of its proper divisors (22690782904).

45381565802 is a wasteful number, since it uses less digits than its factorization.

45381565802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22690782903.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 45381565802 in words is "forty-five billion, three hundred eighty-one million, five hundred sixty-five thousand, eight hundred two".