111452042 has 8 divisors (see below), whose sum is σ = 180037956. Its totient is φ = 51439392.

The previous prime is 111452041. The next prime is 111452053. The reversal of 111452042 is 240254111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91030681 + 20421361 = 9541^2 + 4519^2 .

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

It is not an unprimeable number, because it can be changed into a prime (111452041) 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, 2143283 + ... + 2143334.

Almost surely, 2^111452042 is an apocalyptic number.

111452042 is a deficient number, since it is larger than the sum of its proper divisors (68585914).

111452042 is a wasteful number, since it uses less digits than its factorization.

111452042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286632.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 111452042 is about 10557.0849196168. The cubic root of 111452042 is about 481.2410621379.

The spelling of 111452042 in words is "one hundred eleven million, four hundred fifty-two thousand, forty-two".