142001268654 has 32 divisors (see below), whose sum is σ = 324589720320. Its totient is φ = 40569867072.

The previous prime is 142001268653. The next prime is 142001268667. The reversal of 142001268654 is 456862100241.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142001268653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981442 + ... + 1116794.

It is an arithmetic number, because the mean of its divisors is an integer number (10143428760).

Almost surely, 2^142001268654 is an apocalyptic number.

142001268654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142001268654 is an abundant number, since it is smaller than the sum of its proper divisors (182588451666).

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

142001268654 is a wasteful number, since it uses less digits than its factorization.

142001268654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160344.

The product of its (nonzero) digits is 92160, while the sum is 39.

Adding to 142001268654 its reverse (456862100241), we get a palindrome (598863368895).

The spelling of 142001268654 in words is "one hundred forty-two billion, one million, two hundred sixty-eight thousand, six hundred fifty-four".