142531103 has 36 divisors (see below), whose sum is σ = 178774344. Its totient is φ = 112860000.

The previous prime is 142531093. The next prime is 142531157. The reversal of 142531103 is 301135241.

It is not a de Polignac number, because 142531103 - 2⁸ = 142530847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142531303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 567728 + ... + 567978.

It is an arithmetic number, because the mean of its divisors is an integer number (4965954).

Almost surely, 2^142531103 is an apocalyptic number.

142531103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142531103 is a deficient number, since it is larger than the sum of its proper divisors (36243241).

142531103 is a wasteful number, since it uses less digits than its factorization.

142531103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 142531103 is about 11938.6390765447. The cubic root of 142531103 is about 522.3599624713.

Adding to 142531103 its reverse (301135241), we get a palindrome (443666344).

The spelling of 142531103 in words is "one hundred forty-two million, five hundred thirty-one thousand, one hundred three".