1142445464556 has 96 divisors (see below), whose sum is σ = 2920650566400. Its totient is φ = 344695680000.

The previous prime is 1142445464543. The next prime is 1142445464623. The reversal of 1142445464556 is 6554645442411.

It is a super-3 number, since 3×1142445464556³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142445464499 and 1142445464508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154026960 + ... + 154034376.

It is an arithmetic number, because the mean of its divisors is an integer number (30423443400).

Almost surely, 2^{1142445464556} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142445464556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460325283200).

1142445464556 is an abundant number, since it is smaller than the sum of its proper divisors (1778205101844).

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

1142445464556 is a wasteful number, since it uses less digits than its factorization.

1142445464556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335 (or 12333 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 51.

The spelling of 1142445464556 in words is "one trillion, one hundred forty-two billion, four hundred forty-five million, four hundred sixty-four thousand, five hundred fifty-six".