1442239535 has 12 divisors (see below), whose sum is σ = 1902326664. Its totient is φ = 1048901040.

The previous prime is 1442239511. The next prime is 1442239537. The reversal of 1442239535 is 5359322441.

It is a happy number.

It is not a de Polignac number, because 1442239535 - 2¹² = 1442235439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442239537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1191329 + ... + 1192538.

It is an arithmetic number, because the mean of its divisors is an integer number (158527222).

Almost surely, 2^1442239535 is an apocalyptic number.

1442239535 is a deficient number, since it is larger than the sum of its proper divisors (460087129).

1442239535 is a wasteful number, since it uses less digits than its factorization.

1442239535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383894 (or 2383883 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 1442239535 is about 37976.8289223837. The cubic root of 1442239535 is about 1129.8283434138.

The spelling of 1442239535 in words is "one billion, four hundred forty-two million, two hundred thirty-nine thousand, five hundred thirty-five".