142054005231 has 40 divisors (see below), whose sum is σ = 226580069760. Its totient is φ = 88478481168.

The previous prime is 142054005209. The next prime is 142054005259. The reversal of 142054005231 is 132500450241.

142054005231 is a `hidden beast` number, since 1 + 4 + 20 + 5 + 400 + 5 + 231 = 666.

It is not a de Polignac number, because 142054005231 - 2²¹ = 142051908079 is a prime.

It is a super-2 number, since 2×142054005231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142054005195 and 142054005204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142054005931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 806521 + ... + 966738.

It is an arithmetic number, because the mean of its divisors is an integer number (5664501744).

Almost surely, 2^142054005231 is an apocalyptic number.

142054005231 is a deficient number, since it is larger than the sum of its proper divisors (84526064529).

142054005231 is a wasteful number, since it uses less digits than its factorization.

142054005231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773337 (or 1773328 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 142054005231 its reverse (132500450241), we get a palindrome (274554455472).

The spelling of 142054005231 in words is "one hundred forty-two billion, fifty-four million, five thousand, two hundred thirty-one".