142872537 has 4 divisors (see below), whose sum is σ = 190496720. Its totient is φ = 95248356.

The previous prime is 142872529. The next prime is 142872547. The reversal of 142872537 is 735278241.

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.

It is not a de Polignac number, because 142872537 - 2³ = 142872529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142872495 and 142872504.

It is not an unprimeable number, because it can be changed into a prime (142872547) 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, 23812087 + ... + 23812092.

It is an arithmetic number, because the mean of its divisors is an integer number (47624180).

Almost surely, 2^142872537 is an apocalyptic number.

It is an amenable number.

142872537 is a deficient number, since it is larger than the sum of its proper divisors (47624183).

142872537 is an equidigital number, since it uses as much as digits as its factorization.

142872537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47624182.

The product of its digits is 94080, while the sum is 39.

The square root of 142872537 is about 11952.9300591947. The cubic root of 142872537 is about 522.7767351919.

The spelling of 142872537 in words is "one hundred forty-two million, eight hundred seventy-two thousand, five hundred thirty-seven".