1143752 has 8 divisors (see below), whose sum is σ = 2144550. Its totient is φ = 571872.

The previous prime is 1143749. The next prime is 1143763. The reversal of 1143752 is 2573411.

It can be written as a sum of positive squares in only one way, i.e., 1136356 + 7396 = 1066^2 + 86^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71477 + ... + 71492.

2^1143752 is an apocalyptic number.

It is an amenable number.

1143752 is a deficient number, since it is larger than the sum of its proper divisors (1000798).

1143752 is a wasteful number, since it uses less digits than its factorization.

1143752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142975 (or 142971 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 1143752 is about 1069.4634168591. The cubic root of 1143752 is about 104.5788725613.

The spelling of 1143752 in words is "one million, one hundred forty-three thousand, seven hundred fifty-two".