142230231 has 36 divisors (see below), whose sum is σ = 242715096. Its totient is φ = 79560000.

The previous prime is 142230203. The next prime is 142230259. The reversal of 142230231 is 132032241.

142230231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142230203) and next prime (142230259).

It is not a de Polignac number, because 142230231 - 2⁷ = 142230103 is a prime.

It is a super-2 number, since 2×142230231² = 40458877220626722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142230281) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12481 + ... + 20981.

It is an arithmetic number, because the mean of its divisors is an integer number (6742086).

Almost surely, 2^142230231 is an apocalyptic number.

142230231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

142230231 is a deficient number, since it is larger than the sum of its proper divisors (100484865).

142230231 is a wasteful number, since it uses less digits than its factorization.

142230231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8544 (or 8528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142230231 is about 11926.0316534881. The cubic root of 142230231 is about 521.9921498797.

Adding to 142230231 its reverse (132032241), we get a palindrome (274262472).

The spelling of 142230231 in words is "one hundred forty-two million, two hundred thirty thousand, two hundred thirty-one".