1114320144 has 80 divisors (see below), whose sum is σ = 3293721728. Its totient is φ = 318007296.

The previous prime is 1114320143. The next prime is 1114320187. The reversal of 1114320144 is 4410234111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1114320144.

It is not an unprimeable number, because it can be changed into a prime (1114320143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434514 + ... + 437070.

Almost surely, 2^1114320144 is an apocalyptic number.

1114320144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1114320144 is an abundant number, since it is smaller than the sum of its proper divisors (2179401584).

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

1114320144 is a wasteful number, since it uses less digits than its factorization.

1114320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3872 (or 3866 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1114320144 is about 33381.4341213795. The cubic root of 1114320144 is about 1036.7403313807.

Adding to 1114320144 its reverse (4410234111), we get a palindrome (5524554255).

The spelling of 1114320144 in words is "one billion, one hundred fourteen million, three hundred twenty thousand, one hundred forty-four".