1143892652 has 48 divisors (see below), whose sum is σ = 2356200000. Its totient is φ = 485678592.

The previous prime is 1143892643. The next prime is 1143892657. The reversal of 1143892652 is 2562983411.

It is not an unprimeable number, because it can be changed into a prime (1143892657) 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, 145724 + ... + 153372.

It is an arithmetic number, because the mean of its divisors is an integer number (49087500).

Almost surely, 2^1143892652 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143892652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178100000).

1143892652 is an abundant number, since it is smaller than the sum of its proper divisors (1212307348).

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

1143892652 is a wasteful number, since it uses less digits than its factorization.

1143892652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7783 (or 7767 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 1143892652 is about 33821.4821082696. The cubic root of 1143892652 is about 1045.8315922039.

The spelling of 1143892652 in words is "one billion, one hundred forty-three million, eight hundred ninety-two thousand, six hundred fifty-two".