142562231 has 16 divisors (see below), whose sum is σ = 171417600. Its totient is φ = 115973088.

The previous prime is 142562213. The next prime is 142562237. The reversal of 142562231 is 132265241.

It is a happy number.

It is not a de Polignac number, because 142562231 - 2¹⁰ = 142561207 is a prime.

It is a super-2 number, since 2×142562231² = 40647979415394722, 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 142562231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142562237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6026 + ... + 17928.

It is an arithmetic number, because the mean of its divisors is an integer number (10713600).

Almost surely, 2^142562231 is an apocalyptic number.

142562231 is a deficient number, since it is larger than the sum of its proper divisors (28855369).

142562231 is a wasteful number, since it uses less digits than its factorization.

142562231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11998.

The product of its digits is 2880, while the sum is 26.

The square root of 142562231 is about 11939.9426715542. The cubic root of 142562231 is about 522.3979865400.

The spelling of 142562231 in words is "one hundred forty-two million, five hundred sixty-two thousand, two hundred thirty-one".