1143552060 has 192 divisors, whose sum is σ = 4084147200. Its totient is φ = 260216064.

The previous prime is 1143552049. The next prime is 1143552077. The reversal of 1143552060 is 602553411.

1143552060 is a `hidden beast` number, since 11 + 43 + 552 + 0 + 60 = 666.

It is a super-2 number, since 2×1143552060² = 2615422627860487200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1069206 + ... + 1070274.

It is an arithmetic number, because the mean of its divisors is an integer number (21271600).

Almost surely, 2^1143552060 is an apocalyptic number.

1143552060 is a gapful number since it is divisible by the number (10) 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 1143552060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2042073600).

1143552060 is an abundant number, since it is smaller than the sum of its proper divisors (2940595140).

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

1143552060 is a wasteful number, since it uses less digits than its factorization.

1143552060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377 (or 1369 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1143552060 is about 33816.4465903797. The cubic root of 1143552060 is about 1045.7277837356.

The spelling of 1143552060 in words is "one billion, one hundred forty-three million, five hundred fifty-two thousand, sixty".