1442245519 has 16 divisors (see below), whose sum is σ = 1749049344. Its totient is φ = 1171231200.

The previous prime is 1442245411. The next prime is 1442245531. The reversal of 1442245519 is 9155422441.

It is a cyclic number.

It is not a de Polignac number, because 1442245519 - 2¹³ = 1442237327 is a prime.

It is a super-2 number, since 2×1442245519² = 4160144274151158722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442245549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158239 + ... + 167104.

It is an arithmetic number, because the mean of its divisors is an integer number (109315584).

Almost surely, 2^1442245519 is an apocalyptic number.

1442245519 is a deficient number, since it is larger than the sum of its proper divisors (306803825).

1442245519 is a wasteful number, since it uses less digits than its factorization.

1442245519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325398.

The product of its digits is 57600, while the sum is 37.

The square root of 1442245519 is about 37976.9077071844. The cubic root of 1442245519 is about 1129.8299060030.

The spelling of 1442245519 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, five hundred nineteen".