1442235511 has 8 divisors (see below), whose sum is σ = 1579731120. Its totient is φ = 1310590848.

The previous prime is 1442235481. The next prime is 1442235521. The reversal of 1442235511 is 1155322441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442235511 - 2¹⁵ = 1442202743 is a prime.

It is a super-2 number, since 2×1442235511² = 4160086538378862242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442235511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442235521) 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 7 ways as a sum of consecutive naturals, for example, 1462221 + ... + 1463206.

It is an arithmetic number, because the mean of its divisors is an integer number (197466390).

Almost surely, 2^1442235511 is an apocalyptic number.

1442235511 is a deficient number, since it is larger than the sum of its proper divisors (137495609).

1442235511 is a wasteful number, since it uses less digits than its factorization.

1442235511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2925473.

The product of its digits is 4800, while the sum is 28.

The square root of 1442235511 is about 37976.7759426732. The cubic root of 1442235511 is about 1129.8272926329.

Adding to 1442235511 its reverse (1155322441), we get a palindrome (2597557952).

The spelling of 1442235511 in words is "one billion, four hundred forty-two million, two hundred thirty-five thousand, five hundred eleven".