112142451 has 4 divisors (see below), whose sum is σ = 149523272. Its totient is φ = 74761632.

The previous prime is 112142413. The next prime is 112142467. The reversal of 112142451 is 154241211.

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

It is not a de Polignac number, because 112142451 - 2²³ = 103753843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112182451) 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, 18690406 + ... + 18690411.

It is an arithmetic number, because the mean of its divisors is an integer number (37380818).

Almost surely, 2^112142451 is an apocalyptic number.

112142451 is a deficient number, since it is larger than the sum of its proper divisors (37380821).

112142451 is an equidigital number, since it uses as much as digits as its factorization.

112142451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37380820.

The product of its digits is 320, while the sum is 21.

The square root of 112142451 is about 10589.7332827602. The cubic root of 112142451 is about 482.2327276690.

Adding to 112142451 its reverse (154241211), we get a palindrome (266383662).

The spelling of 112142451 in words is "one hundred twelve million, one hundred forty-two thousand, four hundred fifty-one".