142076231 has 8 divisors (see below), whose sum is σ = 155134224. Its totient is φ = 129041920.

The previous prime is 142076201. The next prime is 142076237. The reversal of 142076231 is 132670241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142076231 - 2¹⁰ = 142075207 is a prime.

It is a super-2 number, since 2×142076231² = 40371310830330722, 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 142076231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142076237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8081 + ... + 18693.

It is an arithmetic number, because the mean of its divisors is an integer number (19391778).

Almost surely, 2^142076231 is an apocalyptic number.

142076231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142076231 is a deficient number, since it is larger than the sum of its proper divisors (13057993).

142076231 is a wasteful number, since it uses less digits than its factorization.

142076231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11841.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 142076231 is about 11919.5734403543. The cubic root of 142076231 is about 521.8036859108.

The spelling of 142076231 in words is "one hundred forty-two million, seventy-six thousand, two hundred thirty-one".