142531113 has 8 divisors (see below), whose sum is σ = 192645088. Its totient is φ = 93718944.

The previous prime is 142531093. The next prime is 142531157. The reversal of 142531113 is 311135241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142531113 - 2⁶ = 142531049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142531113.

It is not an unprimeable number, because it can be changed into a prime (142531313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325195 + ... + 325632.

It is an arithmetic number, because the mean of its divisors is an integer number (24080636).

Almost surely, 2^142531113 is an apocalyptic number.

It is an amenable number.

142531113 is a deficient number, since it is larger than the sum of its proper divisors (50113975).

142531113 is an equidigital number, since it uses as much as digits as its factorization.

142531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650903.

The product of its digits is 360, while the sum is 21.

The square root of 142531113 is about 11938.6394953529. The cubic root of 142531113 is about 522.3599746876.

Adding to 142531113 its reverse (311135241), we get a palindrome (453666354).

The spelling of 142531113 in words is "one hundred forty-two million, five hundred thirty-one thousand, one hundred thirteen".