142437 has 8 divisors (see below), whose sum is σ = 192640. Its totient is φ = 93600.

The previous prime is 142433. The next prime is 142453. The reversal of 142437 is 734241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142437 - 2² = 142433 is a prime.

It is a Duffinian number.

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 142437.

It is not an unprimeable number, because it can be changed into a prime (142433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64 + ... + 537.

It is an arithmetic number, because the mean of its divisors is an integer number (24080).

2¹⁴²⁴³⁷ is an apocalyptic number.

It is an amenable number.

142437 is a deficient number, since it is larger than the sum of its proper divisors (50203).

142437 is an equidigital number, since it uses as much as digits as its factorization.

142437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its digits is 672, while the sum is 21.

The square root of 142437 is about 377.4082670001. The cubic root of 142437 is about 52.2244978302.

Adding to 142437 its reverse (734241), we get a palindrome (876678).

The spelling of 142437 in words is "one hundred forty-two thousand, four hundred thirty-seven".