112312154 has 12 divisors (see below), whose sum is σ = 177802794. Its totient is φ = 53200152.

The previous prime is 112312153. The next prime is 112312159. The reversal of 112312154 is 451213211.

It can be written as a sum of positive squares in only one way, i.e., 78730129 + 33582025 = 8873^2 + 5795^2 .

It is a super-2 number, since 2×112312154² = 25228039872239432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112312153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77057 + ... + 78500.

Almost surely, 2^112312154 is an apocalyptic number.

112312154 is a deficient number, since it is larger than the sum of its proper divisors (65490640).

112312154 is a wasteful number, since it uses less digits than its factorization.

112312154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155597 (or 155578 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 112312154 is about 10597.7428728952. The cubic root of 112312154 is about 482.4758562198.

Adding to 112312154 its reverse (451213211), we get a palindrome (563525365).

The spelling of 112312154 in words is "one hundred twelve million, three hundred twelve thousand, one hundred fifty-four".