111142248 has 64 divisors (see below), whose sum is σ = 334272000. Its totient is φ = 30082752.

The previous prime is 111142237. The next prime is 111142259. The reversal of 111142248 is 842241111.

It is an interprime number because it is at equal distance from previous prime (111142237) and next prime (111142259).

It is a Harshad number since it is a multiple of its sum of digits (24).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14218 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (5223000).

Almost surely, 2^111142248 is an apocalyptic number.

It is an amenable number.

111142248 is an abundant number, since it is smaller than the sum of its proper divisors (223129752).

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

111142248 is a wasteful number, since it uses less digits than its factorization.

111142248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34854 (or 34850 counting only the distinct ones).

The product of its digits is 512, while the sum is 24.

The square root of 111142248 is about 10542.4023827589. The cubic root of 111142248 is about 480.7947597396.

Adding to 111142248 its reverse (842241111), we get a palindrome (953383359).

The spelling of 111142248 in words is "one hundred eleven million, one hundred forty-two thousand, two hundred forty-eight".