112444551 has 8 divisors (see below), whose sum is σ = 166584560. Its totient is φ = 74963016.

The previous prime is 112444523. The next prime is 112444573. The reversal of 112444551 is 155444211.

It is not a de Polignac number, because 112444551 - 2¹⁴ = 112428167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4164613 = 112444551 / (1 + 1 + 2 + 4 + 4 + 4 + 5 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112444951) 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, 2082280 + ... + 2082333.

It is an arithmetic number, because the mean of its divisors is an integer number (20823070).

Almost surely, 2^112444551 is an apocalyptic number.

112444551 is a deficient number, since it is larger than the sum of its proper divisors (54140009).

112444551 is an equidigital number, since it uses as much as digits as its factorization.

112444551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4164622 (or 4164616 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 112444551 is about 10603.9875047078. The cubic root of 112444551 is about 482.6653675342.

Adding to 112444551 its reverse (155444211), we get a palindrome (267888762).

It can be divided in two parts, 1124445 and 51, that multiplied together give a triangular number (57346695 = T₁₀₇₀₉).

The spelling of 112444551 in words is "one hundred twelve million, four hundred forty-four thousand, five hundred fifty-one".