142311233456 has 80 divisors (see below), whose sum is σ = 317962345536. Its totient is φ = 60442411008.

The previous prime is 142311233437. The next prime is 142311233473. The reversal of 142311233456 is 654332113241.

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, 5657900 + ... + 5682996.

Almost surely, 2^142311233456 is an apocalyptic number.

142311233456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142311233456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158981172768).

142311233456 is an abundant number, since it is smaller than the sum of its proper divisors (175651112080).

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

142311233456 is a wasteful number, since it uses less digits than its factorization.

142311233456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25566 (or 25560 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

Adding to 142311233456 its reverse (654332113241), we get a palindrome (796643346697).

The spelling of 142311233456 in words is "one hundred forty-two billion, three hundred eleven million, two hundred thirty-three thousand, four hundred fifty-six".