1442541131 has 4 divisors (see below), whose sum is σ = 1450600200. Its totient is φ = 1434482064.

The previous prime is 1442541049. The next prime is 1442541173. The reversal of 1442541131 is 1311452441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1311452441 = 13 ⋅100880957.

It is a cyclic number.

It is not a de Polignac number, because 1442541131 - 2¹⁴ = 1442524747 is a prime.

It is a super-2 number, since 2×1442541131² = 4161849829253518322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442541131.

It is not an unprimeable number, because it can be changed into a prime (1442541181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4029266 + ... + 4029623.

It is an arithmetic number, because the mean of its divisors is an integer number (362650050).

Almost surely, 2^1442541131 is an apocalyptic number.

1442541131 is a deficient number, since it is larger than the sum of its proper divisors (8059069).

1442541131 is an equidigital number, since it uses as much as digits as its factorization.

1442541131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059068.

The product of its digits is 1920, while the sum is 26.

The square root of 1442541131 is about 37980.7995044865. The cubic root of 1442541131 is about 1129.9070931525.

Adding to 1442541131 its reverse (1311452441), we get a palindrome (2753993572).

The spelling of 1442541131 in words is "one billion, four hundred forty-two million, five hundred forty-one thousand, one hundred thirty-one".