142497 has 12 divisors (see below), whose sum is σ = 209664. Its totient is φ = 93240.

The previous prime is 142469. The next prime is 142501. The reversal of 142497 is 794241.

It is a happy number.

It is not a de Polignac number, because 142497 - 2⁶ = 142433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (17472).

2¹⁴²⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

142497 is a deficient number, since it is larger than the sum of its proper divisors (67167).

142497 is a wasteful number, since it uses less digits than its factorization.

142497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 297 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 142497 is about 377.4877481456. The cubic root of 142497 is about 52.2318297968.

It can be divided in two parts, 1424 and 97, that added together give a square (1521 = 39²).

The spelling of 142497 in words is "one hundred forty-two thousand, four hundred ninety-seven".