142307859 has 8 divisors (see below), whose sum is σ = 189831312. Its totient is φ = 94828160.

The previous prime is 142307807. The next prime is 142307873. The reversal of 142307859 is 958703241.

142307859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 142307859 - 2¹⁹ = 141783571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142307059) 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, 2394 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (23728914).

Almost surely, 2^142307859 is an apocalyptic number.

142307859 is a deficient number, since it is larger than the sum of its proper divisors (47523453).

142307859 is a wasteful number, since it uses less digits than its factorization.

142307859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21877.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 142307859 is about 11929.2857707408. The cubic root of 142307859 is about 522.0870988380.

The spelling of 142307859 in words is "one hundred forty-two million, three hundred seven thousand, eight hundred fifty-nine".