1145425772818 has 32 divisors (see below), whose sum is σ = 1835087040000. Its totient is φ = 535019506560.

The previous prime is 1145425772801. The next prime is 1145425772833. The reversal of 1145425772818 is 8182775245411.

It is a happy number.

It is a super-2 number, since 2×1145425772818² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9304633 + ... + 9426931.

It is an arithmetic number, because the mean of its divisors is an integer number (57346470000).

Almost surely, 2^{1145425772818} is an apocalyptic number.

1145425772818 is a deficient number, since it is larger than the sum of its proper divisors (689661267182).

1145425772818 is a wasteful number, since it uses less digits than its factorization.

1145425772818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127570.

The product of its digits is 5017600, while the sum is 55.

The spelling of 1145425772818 in words is "one trillion, one hundred forty-five billion, four hundred twenty-five million, seven hundred seventy-two thousand, eight hundred eighteen".