111489450 has 24 divisors (see below), whose sum is σ = 276494208. Its totient is φ = 29730480.

The previous prime is 111489449. The next prime is 111489467. The reversal of 111489450 is 54984111.

It is a super-2 number, since 2×111489450² = 24859794922605000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371482 + ... + 371781.

It is an arithmetic number, because the mean of its divisors is an integer number (11520592).

Almost surely, 2^111489450 is an apocalyptic number.

111489450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111489450 is an abundant number, since it is smaller than the sum of its proper divisors (165004758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111489450 is a wasteful number, since it uses less digits than its factorization.

111489450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743278 (or 743273 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 111489450 is about 10558.8564721754. The cubic root of 111489450 is about 481.2948977058.

The spelling of 111489450 in words is "one hundred eleven million, four hundred eighty-nine thousand, four hundred fifty".