1143850 has 12 divisors (see below), whose sum is σ = 2127654. Its totient is φ = 457520.

The previous prime is 1143829. The next prime is 1143851. The reversal of 1143850 is 583411.

It can be written as a sum of positive squares in 3 ways, for example, as 1034289 + 109561 = 1017^2 + 331^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1143851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11389 + ... + 11488.

2^1143850 is an apocalyptic number.

1143850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143850 is a deficient number, since it is larger than the sum of its proper divisors (983804).

1143850 is a wasteful number, since it uses less digits than its factorization.

1143850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22889 (or 22884 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1143850 is about 1069.5092332467. The cubic root of 1143850 is about 104.5818593501.

Subtracting from 1143850 its sum of digits (22), we obtain a triangular number (1143828 = T₁₅₁₂).

The spelling of 1143850 in words is "one million, one hundred forty-three thousand, eight hundred fifty".