142265331 has 24 divisors (see below), whose sum is σ = 232952720. Its totient is φ = 82938816.

The previous prime is 142265317. The next prime is 142265423. The reversal of 142265331 is 133562241.

142265331 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 653 + 3 + 1 = 666.

It is not a de Polignac number, because 142265331 - 2⁹ = 142264819 is a prime.

It is a super-2 number, since 2×142265331² = 40478848809079122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142265295 and 142265304.

It is not an unprimeable number, because it can be changed into a prime (142265131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29776 + ... + 34221.

Almost surely, 2^142265331 is an apocalyptic number.

142265331 is a deficient number, since it is larger than the sum of its proper divisors (90687389).

142265331 is a wasteful number, since it uses less digits than its factorization.

142265331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64035 (or 64032 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 142265331 is about 11927.5031335146. The cubic root of 142265331 is about 522.0350859404.

The spelling of 142265331 in words is "one hundred forty-two million, two hundred sixty-five thousand, three hundred thirty-one".