142100141 has 4 divisors (see below), whose sum is σ = 148278432. Its totient is φ = 135921852.

The previous prime is 142100051. The next prime is 142100149. The reversal of 142100141 is 141001241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142100141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142100149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3089111 + ... + 3089156.

It is an arithmetic number, because the mean of its divisors is an integer number (37069608).

Almost surely, 2^142100141 is an apocalyptic number.

It is an amenable number.

142100141 is a deficient number, since it is larger than the sum of its proper divisors (6178291).

142100141 is an equidigital number, since it uses as much as digits as its factorization.

142100141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6178290.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 142100141 is about 11920.5763702935. The cubic root of 142100141 is about 521.8329557054.

Adding to 142100141 its reverse (141001241), we get a palindrome (283101382).

It can be divided in two parts, 142100 and 141, that added together give a palindrome (142241).

The spelling of 142100141 in words is "one hundred forty-two million, one hundred thousand, one hundred forty-one".