112143045 has 32 divisors (see below), whose sum is σ = 205590528. Its totient is φ = 51133248.

The previous prime is 112143013. The next prime is 112143049. The reversal of 112143045 is 540341211.

It is not a de Polignac number, because 112143045 - 2⁵ = 112143013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112143049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47892 + ... + 50178.

It is an arithmetic number, because the mean of its divisors is an integer number (6424704).

Almost surely, 2^112143045 is an apocalyptic number.

112143045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112143045 is a deficient number, since it is larger than the sum of its proper divisors (93447483).

112143045 is a wasteful number, since it uses less digits than its factorization.

112143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 112143045 is about 10589.7613287552. The cubic root of 112143045 is about 482.2335791031.

Adding to 112143045 its reverse (540341211), we get a palindrome (652484256).

The spelling of 112143045 in words is "one hundred twelve million, one hundred forty-three thousand, forty-five".