142495 has 4 divisors (see below), whose sum is σ = 171000. Its totient is φ = 113992.

The previous prime is 142469. The next prime is 142501. The reversal of 142495 is 594241.

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 142495 - 2¹⁷ = 11423 is a prime.

142495 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14245 + ... + 14254.

It is an arithmetic number, because the mean of its divisors is an integer number (42750).

2¹⁴²⁴⁹⁵ is an apocalyptic number.

142495 is a deficient number, since it is larger than the sum of its proper divisors (28505).

142495 is an equidigital number, since it uses as much as digits as its factorization.

142495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28504.

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

The square root of 142495 is about 377.4850990437. The cubic root of 142495 is about 52.2315854311.

The spelling of 142495 in words is "one hundred forty-two thousand, four hundred ninety-five".