1142533 has 8 divisors (see below), whose sum is σ = 1332800. Its totient is φ = 979020.

The previous prime is 1142509. The next prime is 1142539. The reversal of 1142533 is 3352411.

It is not a de Polignac number, because 1142533 - 2⁹ = 1142021 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1323 + ... + 2008.

It is an arithmetic number, because the mean of its divisors is an integer number (166600).

2^1142533 is an apocalyptic number.

It is an amenable number.

1142533 is a deficient number, since it is larger than the sum of its proper divisors (190267).

1142533 is an frugal number, since it uses more digits than its factorization.

1142533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3338 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 1142533 is about 1068.8933529590. The cubic root of 1142533 is about 104.5417062986.

Adding to 1142533 its reverse (3352411), we get a palindrome (4494944).

The spelling of 1142533 in words is "one million, one hundred forty-two thousand, five hundred thirty-three".