111448 has 8 divisors (see below), whose sum is σ = 208980. Its totient is φ = 55720.

The previous prime is 111443. The next prime is 111467. The reversal of 111448 is 844111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958 + ... + 6973.

2¹¹¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

111448 is a deficient number, since it is larger than the sum of its proper divisors (97532).

111448 is a wasteful number, since it uses less digits than its factorization.

111448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13937 (or 13933 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

The square root of 111448 is about 333.8382842036. The cubic root of 111448 is about 48.1235244389.

Adding to 111448 its reverse (844111), we get a palindrome (955559).

It can be divided in two parts, 1 and 11448, that added together give a square (11449 = 107²).

The spelling of 111448 in words is "one hundred eleven thousand, four hundred forty-eight".