142851131 has 4 divisors (see below), whose sum is σ = 147459264. Its totient is φ = 138243000.

The previous prime is 142851113. The next prime is 142851151. The reversal of 142851131 is 131158241.

142851131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142851131 - 2¹⁰ = 142850107 is a prime.

It is a super-2 number, since 2×142851131² = 40812891255958322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142851131.

It is not an unprimeable number, because it can be changed into a prime (142851151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2304020 + ... + 2304081.

It is an arithmetic number, because the mean of its divisors is an integer number (36864816).

Almost surely, 2^142851131 is an apocalyptic number.

142851131 is a deficient number, since it is larger than the sum of its proper divisors (4608133).

142851131 is an equidigital number, since it uses as much as digits as its factorization.

142851131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608132.

The product of its digits is 960, while the sum is 26.

The square root of 142851131 is about 11952.0345966701. The cubic root of 142851131 is about 522.7506253975.

The spelling of 142851131 in words is "one hundred forty-two million, eight hundred fifty-one thousand, one hundred thirty-one".