145718584772 has 6 divisors (see below), whose sum is σ = 255007523358. Its totient is φ = 72859292384.

The previous prime is 145718584751. The next prime is 145718584853. The reversal of 145718584772 is 277485817541.

It can be written as a sum of positive squares in only one way, i.e., 141401569156 + 4317015616 = 376034^2 + 65704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18214823093 + ... + 18214823100.

It is an arithmetic number, because the mean of its divisors is an integer number (42501253893).

Almost surely, 2^145718584772 is an apocalyptic number.

It is an amenable number.

145718584772 is a deficient number, since it is larger than the sum of its proper divisors (109288938586).

145718584772 is a wasteful number, since it uses less digits than its factorization.

145718584772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36429646197 (or 36429646195 counting only the distinct ones).

The product of its digits is 17561600, while the sum is 59.

The spelling of 145718584772 in words is "one hundred forty-five billion, seven hundred eighteen million, five hundred eighty-four thousand, seven hundred seventy-two".