111252145 has 8 divisors (see below), whose sum is σ = 135192960. Its totient is φ = 87874800.

The previous prime is 111252139. The next prime is 111252187. The reversal of 111252145 is 541252111.

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

It is not a de Polignac number, because 111252145 - 2⁹ = 111251633 is a prime.

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, 140431 + ... + 141220.

It is an arithmetic number, because the mean of its divisors is an integer number (16899120).

Almost surely, 2^111252145 is an apocalyptic number.

It is an amenable number.

111252145 is a deficient number, since it is larger than the sum of its proper divisors (23940815).

111252145 is an equidigital number, since it uses as much as digits as its factorization.

111252145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281735.

The product of its digits is 400, while the sum is 22.

The square root of 111252145 is about 10547.6132371262. The cubic root of 111252145 is about 480.9531768340.

The spelling of 111252145 in words is "one hundred eleven million, two hundred fifty-two thousand, one hundred forty-five".