45284565778 has 4 divisors (see below), whose sum is σ = 67926848670. Its totient is φ = 22642282888.

The previous prime is 45284565773. The next prime is 45284565827. The reversal of 45284565778 is 87756548254.

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., 43254432529 + 2030133249 = 207977^2 + 45057^2 .

It is not an unprimeable number, because it can be changed into a prime (45284565773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11321141443 + ... + 11321141446.

Almost surely, 2^45284565778 is an apocalyptic number.

45284565778 is a deficient number, since it is larger than the sum of its proper divisors (22642282892).

45284565778 is a wasteful number, since it uses less digits than its factorization.

45284565778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22642282891.

The product of its digits is 75264000, while the sum is 61.

The spelling of 45284565778 in words is "forty-five billion, two hundred eighty-four million, five hundred sixty-five thousand, seven hundred seventy-eight".