142537 has 2 divisors, whose sum is σ = 142538. Its totient is φ = 142536.

The previous prime is 142529. The next prime is 142543. The reversal of 142537 is 735241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121801 + 20736 = 349^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 142537 - 2³ = 142529 is a prime.

It is a Chen prime.

142537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (142547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71268 + 71269.

It is an arithmetic number, because the mean of its divisors is an integer number (71269).

2¹⁴²⁵³⁷ is an apocalyptic number.

It is an amenable number.

142537 is a deficient number, since it is larger than the sum of its proper divisors (1).

142537 is an equidigital number, since it uses as much as digits as its factorization.

142537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 142537 is about 377.5407262800. The cubic root of 142537 is about 52.2367166312.

Adding to 142537 its reverse (735241), we get a palindrome (877778).

Subtracting 142537 from its reverse (735241), we obtain a cube (592704 = 84³).

It can be divided in two parts, 1425 and 37, that multiplied together give a palindrome (52725).

The spelling of 142537 in words is "one hundred forty-two thousand, five hundred thirty-seven".