142144143191 has 16 divisors (see below), whose sum is σ = 147858480000. Its totient is φ = 136485543936.

The previous prime is 142144143181. The next prime is 142144143227. The reversal of 142144143191 is 191341441241.

It is a cyclic number.

It is not a de Polignac number, because 142144143191 - 2¹⁰ = 142144142167 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 (142144143131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5316605 + ... + 5343273.

It is an arithmetic number, because the mean of its divisors is an integer number (9241155000).

Almost surely, 2^142144143191 is an apocalyptic number.

142144143191 is a deficient number, since it is larger than the sum of its proper divisors (5714336809).

142144143191 is a wasteful number, since it uses less digits than its factorization.

142144143191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27706.

The product of its digits is 13824, while the sum is 35.

The spelling of 142144143191 in words is "one hundred forty-two billion, one hundred forty-four million, one hundred forty-three thousand, one hundred ninety-one".