945722447572 has 12 divisors (see below), whose sum is σ = 1891444895200. Its totient is φ = 405309620376.

The previous prime is 945722447563. The next prime is 945722447603. The reversal of 945722447572 is 275744227549.

It is a happy number.

945722447572 is an admirable number.

It is a congruent number.

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, 16887900822 + ... + 16887900877.

Almost surely, 2^945722447572 is an apocalyptic number.

It is an amenable number.

945722447572 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

945722447572 is a wasteful number, since it uses less digits than its factorization.

945722447572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33775801710 (or 33775801708 counting only the distinct ones).

The product of its digits is 39513600, while the sum is 58.

The spelling of 945722447572 in words is "nine hundred forty-five billion, seven hundred twenty-two million, four hundred forty-seven thousand, five hundred seventy-two".