142459 has 4 divisors (see below), whose sum is σ = 145816. Its totient is φ = 139104.

The previous prime is 142453. The next prime is 142469. The reversal of 142459 is 954241.

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 142459 - 2⁵ = 142427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142453) 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, 1614 + ... + 1699.

It is an arithmetic number, because the mean of its divisors is an integer number (36454).

2¹⁴²⁴⁵⁹ is an apocalyptic number.

142459 is a deficient number, since it is larger than the sum of its proper divisors (3357).

142459 is an equidigital number, since it uses as much as digits as its factorization.

142459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3356.

The product of its digits is 1440, while the sum is 25.

The square root of 142459 is about 377.4374120301. The cubic root of 142459 is about 52.2271864570.

The spelling of 142459 in words is "one hundred forty-two thousand, four hundred fifty-nine".