142276825 has 24 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 103660800.

The previous prime is 142276817. The next prime is 142276843. The reversal of 142276825 is 528672241.

It is a happy number.

It is not a de Polignac number, because 142276825 - 2³ = 142276817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7776 + ... + 18574.

It is an arithmetic number, because the mean of its divisors is an integer number (8035200).

Almost surely, 2^142276825 is an apocalyptic number.

It is an amenable number.

142276825 is a deficient number, since it is larger than the sum of its proper divisors (50567975).

142276825 is a wasteful number, since it uses less digits than its factorization.

142276825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10857 (or 10852 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 142276825 is about 11927.9849513654. The cubic root of 142276825 is about 522.0491444363.

The spelling of 142276825 in words is "one hundred forty-two million, two hundred seventy-six thousand, eight hundred twenty-five".