1143652 has 24 divisors (see below), whose sum is σ = 2161152. Its totient is φ = 528000.

The previous prime is 1143647. The next prime is 1143661. The reversal of 1143652 is 2563411.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2652 + ... + 3052.

It is an arithmetic number, because the mean of its divisors is an integer number (90048).

2^1143652 is an apocalyptic number.

It is an amenable number.

1143652 is a deficient number, since it is larger than the sum of its proper divisors (1017500).

1143652 is a wasteful number, since it uses less digits than its factorization.

1143652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 1143652 is about 1069.4166634198. The cubic root of 1143652 is about 104.5758246418.

It can be divided in two parts, 114 and 3652, that multiplied together give a triangular number (416328 = T₉₁₂).

The spelling of 1143652 in words is "one million, one hundred forty-three thousand, six hundred fifty-two".