142100343503 has 4 divisors (see below), whose sum is σ = 142121055648. Its totient is φ = 142079631360.

The previous prime is 142100343491. The next prime is 142100343509. The reversal of 142100343503 is 305343001241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142100343503 - 2⁸ = 142100343247 is a prime.

It is a super-2 number, since 2×142100343503² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142100343509) 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, 10345778 + ... + 10359503.

It is an arithmetic number, because the mean of its divisors is an integer number (35530263912).

Almost surely, 2^142100343503 is an apocalyptic number.

142100343503 is a deficient number, since it is larger than the sum of its proper divisors (20712145).

142100343503 is an equidigital number, since it uses as much as digits as its factorization.

142100343503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20712144.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 142100343503 its reverse (305343001241), we get a palindrome (447443344744).

The spelling of 142100343503 in words is "one hundred forty-two billion, one hundred million, three hundred forty-three thousand, five hundred three".