142374231 has 12 divisors (see below), whose sum is σ = 205759008. Its totient is φ = 94866624.

The previous prime is 142374229. The next prime is 142374251. The reversal of 142374231 is 132473241.

It is a happy number.

142374231 is a `hidden beast` number, since 1 + 4 + 237 + 423 + 1 = 666.

It is not a de Polignac number, because 142374231 - 2¹ = 142374229 is a prime.

It is a super-2 number, since 2×142374231² = 40540843305682722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 142374195 and 142374204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142374251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24591 + ... + 29823.

It is an arithmetic number, because the mean of its divisors is an integer number (17146584).

Almost surely, 2^142374231 is an apocalyptic number.

142374231 is a deficient number, since it is larger than the sum of its proper divisors (63384777).

142374231 is a wasteful number, since it uses less digits than its factorization.

142374231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8262 (or 8259 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 142374231 is about 11932.0673397362. The cubic root of 142374231 is about 522.1682528923.

The spelling of 142374231 in words is "one hundred forty-two million, three hundred seventy-four thousand, two hundred thirty-one".