142860025 has 48 divisors (see below), whose sum is σ = 225699840. Its totient is φ = 87105600.

The previous prime is 142860017. The next prime is 142860037. The reversal of 142860025 is 520068241.

It is not a de Polignac number, because 142860025 - 2³ = 142860017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142859975 and 142860002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89686 + ... + 91264.

It is an arithmetic number, because the mean of its divisors is an integer number (4702080).

Almost surely, 2^142860025 is an apocalyptic number.

It is an amenable number.

142860025 is a deficient number, since it is larger than the sum of its proper divisors (82839815).

142860025 is a wasteful number, since it uses less digits than its factorization.

142860025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1649 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 142860025 is about 11952.4066614218. The cubic root of 142860025 is about 522.7614740983.

The spelling of 142860025 in words is "one hundred forty-two million, eight hundred sixty thousand, twenty-five".