142534837 has 4 divisors (see below), whose sum is σ = 142613856. Its totient is φ = 142455820.

The previous prime is 142534829. The next prime is 142534849. The reversal of 142534837 is 738435241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 738435241 = 2459 ⋅300299.

It is a cyclic number.

It is not a de Polignac number, because 142534837 - 2³ = 142534829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142534796 and 142534805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142534877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36739 + ... + 40432.

It is an arithmetic number, because the mean of its divisors is an integer number (35653464).

Almost surely, 2^142534837 is an apocalyptic number.

It is an amenable number.

142534837 is a deficient number, since it is larger than the sum of its proper divisors (79019).

142534837 is an equidigital number, since it uses as much as digits as its factorization.

142534837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79018.

The product of its digits is 80640, while the sum is 37.

The square root of 142534837 is about 11938.7954585042. The cubic root of 142534837 is about 522.3645239904.

The spelling of 142534837 in words is "one hundred forty-two million, five hundred thirty-four thousand, eight hundred thirty-seven".