142500 has 60 divisors (see below), whose sum is σ = 437360. Its totient is φ = 36000.

The previous prime is 142469. The next prime is 142501. The reversal of 142500 is 5241.

142500 is nontrivially palindromic in base 7.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (142501) by changing a digit.

142500 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 19 ways as a sum of consecutive naturals, for example, 7491 + ... + 7509.

2¹⁴²⁵⁰⁰ is an apocalyptic number.

142500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218680).

142500 is an abundant number, since it is smaller than the sum of its proper divisors (294860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142500 is a wasteful number, since it uses less digits than its factorization.

142500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 142500 is about 377.4917217635. The cubic root of 142500 is about 52.2321963411.

Adding to 142500 its reverse (5241), we get a palindrome (147741).

The spelling of 142500 in words is "one hundred forty-two thousand, five hundred".