112142440 has 16 divisors (see below), whose sum is σ = 252320580. Its totient is φ = 44856960.

The previous prime is 112142413. The next prime is 112142467. The reversal of 112142440 is 44241211.

It is an interprime number because it is at equal distance from previous prime (112142413) and next prime (112142467).

It can be written as a sum of positive squares in 2 ways, for example, as 108118404 + 4024036 = 10398^2 + 2006^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1401741 + ... + 1401820.

Almost surely, 2^112142440 is an apocalyptic number.

112142440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112142440 is an abundant number, since it is smaller than the sum of its proper divisors (140178140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112142440 is a wasteful number, since it uses less digits than its factorization.

112142440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2803572 (or 2803568 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 112142440 is about 10589.7327633893. The cubic root of 112142440 is about 482.2327119016.

Adding to 112142440 its reverse (44241211), we get a palindrome (156383651).

The spelling of 112142440 in words is "one hundred twelve million, one hundred forty-two thousand, four hundred forty".