1143548224 has 112 divisors (see below), whose sum is σ = 2914668288. Its totient is φ = 432672768.

The previous prime is 1143548209. The next prime is 1143548251. The reversal of 1143548224 is 4228453411.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1143548224² = 2615405081227108352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1143548224.

It is a congruent number.

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, 129684 + ... + 138220.

It is an arithmetic number, because the mean of its divisors is an integer number (26023824).

Almost surely, 2^1143548224 is an apocalyptic number.

1143548224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143548224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457334144).

1143548224 is an abundant number, since it is smaller than the sum of its proper divisors (1771120064).

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

1143548224 is a wasteful number, since it uses less digits than its factorization.

1143548224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8592 (or 8582 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 1143548224 is about 33816.3898723681. The cubic root of 1143548224 is about 1045.7266144502.

The spelling of 1143548224 in words is "one billion, one hundred forty-three million, five hundred forty-eight thousand, two hundred twenty-four".