111370145 has 16 divisors (see below), whose sum is σ = 144961488. Its totient is φ = 81807360.

The previous prime is 111370139. The next prime is 111370157. The reversal of 111370145 is 541073111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 215296 + 111154849 = 464^2 + 10543^2 .

It is not a de Polignac number, because 111370145 - 2⁶ = 111370081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111370145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12494 + ... + 19463.

It is an arithmetic number, because the mean of its divisors is an integer number (9060093).

Almost surely, 2^111370145 is an apocalyptic number.

It is an amenable number.

111370145 is a deficient number, since it is larger than the sum of its proper divisors (33591343).

111370145 is a wasteful number, since it uses less digits than its factorization.

111370145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32020.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 111370145 is about 10553.2054372120. The cubic root of 111370145 is about 481.1231583409.

The spelling of 111370145 in words is "one hundred eleven million, three hundred seventy thousand, one hundred forty-five".