142444340201377 has 2 divisors, whose sum is σ = 142444340201378. Its totient is φ = 142444340201376.

The previous prime is 142444340201299. The next prime is 142444340201381. The reversal of 142444340201377 is 773102043444241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122758223096161 + 19686117105216 = 11079631^2 + 4436904^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142444340201377 is a prime.

It is a super-2 number, since 2×142444340201377² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142444340201077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71222170100688 + 71222170100689.

It is an arithmetic number, because the mean of its divisors is an integer number (71222170100689).

Almost surely, 2^{142444340201377} is an apocalyptic number.

It is an amenable number.

142444340201377 is a deficient number, since it is larger than the sum of its proper divisors (1).

142444340201377 is an equidigital number, since it uses as much as digits as its factorization.

142444340201377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1806336, while the sum is 46.

The spelling of 142444340201377 in words is "one hundred forty-two trillion, four hundred forty-four billion, three hundred forty million, two hundred one thousand, three hundred seventy-seven".