112155145 has 8 divisors (see below), whose sum is σ = 134744904. Its totient is φ = 89618304.

The previous prime is 112155139. The next prime is 112155163. The reversal of 112155145 is 541551211.

It can be written as a sum of positive squares in 4 ways, for example, as 5322249 + 106832896 = 2307^2 + 10336^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112155145 - 2⁹ = 112154633 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8404 + ... + 17173.

It is an arithmetic number, because the mean of its divisors is an integer number (16843113).

Almost surely, 2^112155145 is an apocalyptic number.

It is an amenable number.

112155145 is a deficient number, since it is larger than the sum of its proper divisors (22589759).

112155145 is an equidigital number, since it uses as much as digits as its factorization.

112155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26459.

The product of its digits is 1000, while the sum is 25.

The square root of 112155145 is about 10590.3326198944. The cubic root of 112155145 is about 482.2509224775.

The spelling of 112155145 in words is "one hundred twelve million, one hundred fifty-five thousand, one hundred forty-five".