142972113 has 8 divisors (see below), whose sum is σ = 190890400. Its totient is φ = 95184288.

The previous prime is 142972103. The next prime is 142972121. The reversal of 142972113 is 311279241.

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

It is not a de Polignac number, because 142972113 - 2⁴ = 142972097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142972103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30028 + ... + 34461.

It is an arithmetic number, because the mean of its divisors is an integer number (23861300).

Almost surely, 2^142972113 is an apocalyptic number.

It is an amenable number.

142972113 is a deficient number, since it is larger than the sum of its proper divisors (47918287).

142972113 is an equidigital number, since it uses as much as digits as its factorization.

142972113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65231.

The product of its digits is 3024, while the sum is 30.

The square root of 142972113 is about 11957.0946722019. The cubic root of 142972113 is about 522.8981579378.

The spelling of 142972113 in words is "one hundred forty-two million, nine hundred seventy-two thousand, one hundred thirteen".