1142441529 has 4 divisors (see below), whose sum is σ = 1523255376. Its totient is φ = 761627684.

The previous prime is 1142441527. The next prime is 1142441537. The reversal of 1142441529 is 9251442411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1142441529 - 2¹ = 1142441527 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1142441529.

It is not an unprimeable number, because it can be changed into a prime (1142441527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190406919 + ... + 190406924.

It is an arithmetic number, because the mean of its divisors is an integer number (380813844).

Almost surely, 2^1142441529 is an apocalyptic number.

It is an amenable number.

1142441529 is a deficient number, since it is larger than the sum of its proper divisors (380813847).

1142441529 is an equidigital number, since it uses as much as digits as its factorization.

1142441529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380813846.

The product of its digits is 11520, while the sum is 33.

The square root of 1142441529 is about 33800.0226183356. The cubic root of 1142441529 is about 1045.3891636030.

The spelling of 1142441529 in words is "one billion, one hundred forty-two million, four hundred forty-one thousand, five hundred twenty-nine".