142311233455 has 4 divisors (see below), whose sum is σ = 170773480152. Its totient is φ = 113848986760.

The previous prime is 142311233437. The next prime is 142311233473. The reversal of 142311233455 is 554332113241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (142311233437) and next prime (142311233473).

It is not a de Polignac number, because 142311233455 - 2¹⁵ = 142311200687 is a prime.

It is a super-2 number, since 2×142311233455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142311233455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14231123341 + ... + 14231123350.

It is an arithmetic number, because the mean of its divisors is an integer number (42693370038).

Almost surely, 2^142311233455 is an apocalyptic number.

142311233455 is a deficient number, since it is larger than the sum of its proper divisors (28462246697).

142311233455 is an equidigital number, since it uses as much as digits as its factorization.

142311233455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28462246696.

The product of its digits is 43200, while the sum is 34.

Adding to 142311233455 its reverse (554332113241), we get a palindrome (696643346696).

The spelling of 142311233455 in words is "one hundred forty-two billion, three hundred eleven million, two hundred thirty-three thousand, four hundred fifty-five".