112145554 has 4 divisors (see below), whose sum is σ = 168218334. Its totient is φ = 56072776.

The previous prime is 112145531. The next prime is 112145573. The reversal of 112145554 is 455541211.

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., 107848225 + 4297329 = 10385^2 + 2073^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28036387 + ... + 28036390.

Almost surely, 2^112145554 is an apocalyptic number.

112145554 is a deficient number, since it is larger than the sum of its proper divisors (56072780).

112145554 is an equidigital number, since it uses as much as digits as its factorization.

112145554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56072779.

The product of its digits is 4000, while the sum is 28.

The square root of 112145554 is about 10589.8797915746. The cubic root of 112145554 is about 482.2371754475.

Adding to 112145554 its reverse (455541211), we get a palindrome (567686765).

The spelling of 112145554 in words is "one hundred twelve million, one hundred forty-five thousand, five hundred fifty-four".