1142505339 has 8 divisors (see below), whose sum is σ = 1523567952. Its totient is φ = 761556480.

The previous prime is 1142505337. The next prime is 1142505361. The reversal of 1142505339 is 9335052411.

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

It is not a de Polignac number, because 1142505339 - 2¹ = 1142505337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142505337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 47819.

It is an arithmetic number, because the mean of its divisors is an integer number (190445994).

Almost surely, 2^1142505339 is an apocalyptic number.

1142505339 is a deficient number, since it is larger than the sum of its proper divisors (381062613).

1142505339 is an equidigital number, since it uses as much as digits as its factorization.

1142505339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56877.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1142505339 is about 33800.9665394349. The cubic root of 1142505339 is about 1045.4086263177.

The spelling of 1142505339 in words is "one billion, one hundred forty-two million, five hundred five thousand, three hundred thirty-nine".