1442265531 has 32 divisors (see below), whose sum is σ = 2296197120. Its totient is φ = 787320864.

The previous prime is 1442265479. The next prime is 1442265541. The reversal of 1442265531 is 1355622441.

It is not a de Polignac number, because 1442265531 - 2⁷ = 1442265403 is a prime.

It is a super-2 number, since 2×1442265531² = 4160259723821423922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442265492 and 1442265501.

It is not an unprimeable number, because it can be changed into a prime (1442265541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541080 + ... + 543738.

It is an arithmetic number, because the mean of its divisors is an integer number (71756160).

Almost surely, 2^1442265531 is an apocalyptic number.

1442265531 is a deficient number, since it is larger than the sum of its proper divisors (853931589).

1442265531 is a wasteful number, since it uses less digits than its factorization.

1442265531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815.

The product of its digits is 28800, while the sum is 33.

The square root of 1442265531 is about 37977.1711821721. The cubic root of 1442265531 is about 1129.8351316623.

Adding to 1442265531 its reverse (1355622441), we get a palindrome (2797887972).

The spelling of 1442265531 in words is "one billion, four hundred forty-two million, two hundred sixty-five thousand, five hundred thirty-one".