142485 has 32 divisors (see below), whose sum is σ = 276480. Its totient is φ = 61248.

The previous prime is 142469. The next prime is 142501. The reversal of 142485 is 584241.

142485 = 46² + 47² + ... + 80².

It is an interprime number because it is at equal distance from previous prime (142469) and next prime (142501).

It is not a de Polignac number, because 142485 - 2⁴ = 142469 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142485.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2386 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2¹⁴²⁴⁸⁵ is an apocalyptic number.

142485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142485 is a deficient number, since it is larger than the sum of its proper divisors (133995).

142485 is a wasteful number, since it uses less digits than its factorization.

142485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97.

The product of its digits is 1280, while the sum is 24.

The square root of 142485 is about 377.4718532553. The cubic root of 142485 is about 52.2303635682.

It can be divided in two parts, 1 and 42485, that added together give a triangular number (42486 = T₂₉₁).

The spelling of 142485 in words is "one hundred forty-two thousand, four hundred eighty-five".