112145442131 has 8 divisors (see below), whose sum is σ = 114574494144. Its totient is φ = 109735441920.

The previous prime is 112145442127. The next prime is 112145442173. The reversal of 112145442131 is 131244541211.

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

It is a cyclic number.

It is not a de Polignac number, because 112145442131 - 2² = 112145442127 is a prime.

It is a super-2 number, since 2×112145442131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112145442094 and 112145442103.

It is not an unprimeable number, because it can be changed into a prime (112145442181) 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, 4751051 + ... + 4774596.

It is an arithmetic number, because the mean of its divisors is an integer number (14321811768).

Almost surely, 2^112145442131 is an apocalyptic number.

112145442131 is a deficient number, since it is larger than the sum of its proper divisors (2429052013).

112145442131 is an equidigital number, since it uses as much as digits as its factorization.

112145442131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525901.

The product of its digits is 3840, while the sum is 29.

Adding to 112145442131 its reverse (131244541211), we get a palindrome (243389983342).

The spelling of 112145442131 in words is "one hundred twelve billion, one hundred forty-five million, four hundred forty-two thousand, one hundred thirty-one".