1145683373956 has 45 divisors (see below), whose sum is σ = 2205925540455. Its totient is φ = 520647429720.

The previous prime is 1145683373951. The next prime is 1145683373963. The reversal of 1145683373956 is 6593733865411.

The square root of 1145683373956 is 1070366.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145683373894 and 1145683373903.

It is not an unprimeable number, because it can be changed into a prime (1145683373951) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 259026361 + ... + 259030783.

Almost surely, 2^{1145683373956} is an apocalyptic number.

1145683373956 is the 1070366-th square number.

It is an amenable number.

1145683373956 is a deficient number, since it is larger than the sum of its proper divisors (1060242166499).

1145683373956 is an frugal number, since it uses more digits than its factorization.

1145683373956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8894 (or 4436 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 61.

The spelling of 1145683373956 in words is "one trillion, one hundred forty-five billion, six hundred eighty-three million, three hundred seventy-three thousand, nine hundred fifty-six".