142276443 has 16 divisors (see below), whose sum is σ = 193555200. Its totient is φ = 92939616.

The previous prime is 142276429. The next prime is 142276447. The reversal of 142276443 is 344672241.

It is not a de Polignac number, because 142276443 - 2²⁵ = 108722011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142276447) 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, 38221 + ... + 41777.

It is an arithmetic number, because the mean of its divisors is an integer number (12097200).

Almost surely, 2^142276443 is an apocalyptic number.

142276443 is a deficient number, since it is larger than the sum of its proper divisors (51278757).

142276443 is a wasteful number, since it uses less digits than its factorization.

142276443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826.

The product of its digits is 32256, while the sum is 33.

The square root of 142276443 is about 11927.9689385913. The cubic root of 142276443 is about 522.0486772181.

The spelling of 142276443 in words is "one hundred forty-two million, two hundred seventy-six thousand, four hundred forty-three".