1442265111 has 24 divisors (see below), whose sum is σ = 2457688064. Its totient is φ = 797564880.

The previous prime is 1442265101. The next prime is 1442265127. The reversal of 1442265111 is 1115622441.

1442265111 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 2 + 651 + 1 + 1 = 666.

It is not a de Polignac number, because 1442265111 - 2⁵ = 1442265079 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 (1442265101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367291 + ... + 371196.

Almost surely, 2^1442265111 is an apocalyptic number.

1442265111 is a deficient number, since it is larger than the sum of its proper divisors (1015422953).

1442265111 is a wasteful number, since it uses less digits than its factorization.

1442265111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738531 (or 738528 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1442265111 is about 37977.1656525339. The cubic root of 1442265111 is about 1129.8350219898.

Adding to 1442265111 its reverse (1115622441), we get a palindrome (2557887552).

The spelling of 1442265111 in words is "one billion, four hundred forty-two million, two hundred sixty-five thousand, one hundred eleven".