1143499224 has 32 divisors (see below), whose sum is σ = 3267141120. Its totient is φ = 326714016.

The previous prime is 1143499223. The next prime is 1143499241. The reversal of 1143499224 is 4229943411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143499223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3403104 + ... + 3403439.

It is an arithmetic number, because the mean of its divisors is an integer number (102098160).

Almost surely, 2^1143499224 is an apocalyptic number.

1143499224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1143499224 is an abundant number, since it is smaller than the sum of its proper divisors (2123641896).

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

1143499224 is a wasteful number, since it uses less digits than its factorization.

1143499224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6806559 (or 6806555 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 1143499224 is about 33815.6653638517. The cubic root of 1143499224 is about 1045.7116780925.

The spelling of 1143499224 in words is "one billion, one hundred forty-three million, four hundred ninety-nine thousand, two hundred twenty-four".