112744145 has 4 divisors (see below), whose sum is σ = 135292980. Its totient is φ = 90195312.

The previous prime is 112744133. The next prime is 112744147. The reversal of 112744145 is 541447211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48888064 + 63856081 = 6992^2 + 7991^2 .

It is a cyclic number.

It is not a de Polignac number, because 112744145 - 2⁸ = 112743889 is a prime.

It is a super-2 number, since 2×112744145² = 25422484463562050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112744147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11274410 + ... + 11274419.

It is an arithmetic number, because the mean of its divisors is an integer number (33823245).

Almost surely, 2^112744145 is an apocalyptic number.

It is an amenable number.

112744145 is a deficient number, since it is larger than the sum of its proper divisors (22548835).

112744145 is an equidigital number, since it uses as much as digits as its factorization.

112744145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22548834.

The product of its digits is 4480, while the sum is 29.

The square root of 112744145 is about 10618.1045860361. The cubic root of 112744145 is about 483.0936539227.

The spelling of 112744145 in words is "one hundred twelve million, seven hundred forty-four thousand, one hundred forty-five".