112143154 has 4 divisors (see below), whose sum is σ = 168214734. Its totient is φ = 56071576.

The previous prime is 112143139. The next prime is 112143191. The reversal of 112143154 is 451341211.

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

It can be written as a sum of positive squares in only one way, i.e., 86992929 + 25150225 = 9327^2 + 5015^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28035787 + ... + 28035790.

Almost surely, 2^112143154 is an apocalyptic number.

112143154 is a deficient number, since it is larger than the sum of its proper divisors (56071580).

112143154 is an equidigital number, since it uses as much as digits as its factorization.

112143154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56071579.

The product of its digits is 480, while the sum is 22.

The square root of 112143154 is about 10589.7664752345. The cubic root of 112143154 is about 482.2337353424.

Adding to 112143154 its reverse (451341211), we get a palindrome (563484365).

The spelling of 112143154 in words is "one hundred twelve million, one hundred forty-three thousand, one hundred fifty-four".