112578155 has 4 divisors (see below), whose sum is σ = 135093792. Its totient is φ = 90062520.

The previous prime is 112578139. The next prime is 112578163. The reversal of 112578155 is 551875211.

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

It is not a de Polignac number, because 112578155 - 2⁴ = 112578139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11257811 + ... + 11257820.

It is an arithmetic number, because the mean of its divisors is an integer number (33773448).

Almost surely, 2^112578155 is an apocalyptic number.

112578155 is a deficient number, since it is larger than the sum of its proper divisors (22515637).

112578155 is an equidigital number, since it uses as much as digits as its factorization.

112578155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515636.

The product of its digits is 14000, while the sum is 35.

The square root of 112578155 is about 10610.2853401782. The cubic root of 112578155 is about 482.8564557929.

The spelling of 112578155 in words is "one hundred twelve million, five hundred seventy-eight thousand, one hundred fifty-five".