5445365642 has 8 divisors (see below), whose sum is σ = 8648521956. Its totient is φ = 2562524992.

The previous prime is 5445365617. The next prime is 5445365657. The reversal of 5445365642 is 2465635445.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5127848881 + 317516761 = 71609^2 + 17819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5445365593 and 5445365602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80078873 + ... + 80078940.

Almost surely, 2^5445365642 is an apocalyptic number.

5445365642 is a deficient number, since it is larger than the sum of its proper divisors (3203156314).

5445365642 is a wasteful number, since it uses less digits than its factorization.

5445365642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160157832.

The product of its digits is 1728000, while the sum is 44.

The square root of 5445365642 is about 73792.7207927720. The cubic root of 5445365642 is about 1759.3099095926.

The spelling of 5445365642 in words is "five billion, four hundred forty-five million, three hundred sixty-five thousand, six hundred forty-two".