1142041533 has 8 divisors (see below), whose sum is σ = 1523081088. Its totient is φ = 761181504.

The previous prime is 1142041507. The next prime is 1142041541. The reversal of 1142041533 is 3351402411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142041533 - 2⁵ = 1142041501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142041543) 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, 29260 + ... + 56037.

It is an arithmetic number, because the mean of its divisors is an integer number (190385136).

Almost surely, 2^1142041533 is an apocalyptic number.

It is an amenable number.

1142041533 is a deficient number, since it is larger than the sum of its proper divisors (381039555).

1142041533 is an equidigital number, since it uses as much as digits as its factorization.

1142041533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89763.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1142041533 is about 33794.1050036837. The cubic root of 1142041533 is about 1045.2671441431.

Adding to 1142041533 its reverse (3351402411), we get a palindrome (4493443944).

The spelling of 1142041533 in words is "one billion, one hundred forty-two million, forty-one thousand, five hundred thirty-three".