142467859 has 4 divisors (see below), whose sum is σ = 142514320. Its totient is φ = 142421400.

The previous prime is 142467841. The next prime is 142467863. The reversal of 142467859 is 958764241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142467859 - 2⁵ = 142467827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142467959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18279 + ... + 24880.

It is an arithmetic number, because the mean of its divisors is an integer number (35628580).

Almost surely, 2^142467859 is an apocalyptic number.

142467859 is a deficient number, since it is larger than the sum of its proper divisors (46461).

142467859 is an equidigital number, since it uses as much as digits as its factorization.

142467859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46460.

The product of its digits is 483840, while the sum is 46.

The square root of 142467859 is about 11935.9900720468. The cubic root of 142467859 is about 522.2826903993.

The spelling of 142467859 in words is "one hundred forty-two million, four hundred sixty-seven thousand, eight hundred fifty-nine".