111449290 has 8 divisors (see below), whose sum is σ = 200608740. Its totient is φ = 44579712.

The previous prime is 111449279. The next prime is 111449293. The reversal of 111449290 is 92944111.

It can be written as a sum of positive squares in 2 ways, for example, as 100380361 + 11068929 = 10019^2 + 3327^2 .

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 (111449293) 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, 5572455 + ... + 5572474.

Almost surely, 2^111449290 is an apocalyptic number.

111449290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111449290 is a deficient number, since it is larger than the sum of its proper divisors (89159450).

111449290 is a wasteful number, since it uses less digits than its factorization.

111449290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11144936.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 111449290 is about 10556.9545798019. The cubic root of 111449290 is about 481.2371011329.

The spelling of 111449290 in words is "one hundred eleven million, four hundred forty-nine thousand, two hundred ninety".