142861873 has 8 divisors (see below), whose sum is σ = 178113600. Its totient is φ = 111320880.

The previous prime is 142861861. The next prime is 142861877. The reversal of 142861873 is 378168241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142861873 - 2²¹ = 140764721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142861877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927598 + ... + 927751.

It is an arithmetic number, because the mean of its divisors is an integer number (22264200).

Almost surely, 2^142861873 is an apocalyptic number.

It is an amenable number.

142861873 is a deficient number, since it is larger than the sum of its proper divisors (35251727).

142861873 is a wasteful number, since it uses less digits than its factorization.

142861873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855367.

The product of its digits is 64512, while the sum is 40.

The square root of 142861873 is about 11952.4839677784. The cubic root of 142861873 is about 522.7637281906.

The spelling of 142861873 in words is "one hundred forty-two million, eight hundred sixty-one thousand, eight hundred seventy-three".