142200231 has 8 divisors (see below), whose sum is σ = 190039920. Its totient is φ = 94580352.

The previous prime is 142200229. The next prime is 142200241. The reversal of 142200231 is 132002241.

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

It is not a de Polignac number, because 142200231 - 2¹ = 142200229 is a prime.

It is a super-2 number, since 2×142200231² = 40441811392906722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142200221) 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, 53436 + ... + 56033.

It is an arithmetic number, because the mean of its divisors is an integer number (23754990).

Almost surely, 2^142200231 is an apocalyptic number.

142200231 is a deficient number, since it is larger than the sum of its proper divisors (47839689).

142200231 is a wasteful number, since it uses less digits than its factorization.

142200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109905.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142200231 is about 11924.7738343333. The cubic root of 142200231 is about 521.9554467927.

Adding to 142200231 its reverse (132002241), we get a palindrome (274202472).

The spelling of 142200231 in words is "one hundred forty-two million, two hundred thousand, two hundred thirty-one".