1442126565 has 64 divisors (see below), whose sum is σ = 2918522880. Its totient is φ = 668796480.

The previous prime is 1442126551. The next prime is 1442126597. The reversal of 1442126565 is 5656212441.

It is not a de Polignac number, because 1442126565 - 2⁴ = 1442126549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13044 + ... + 55266.

It is an arithmetic number, because the mean of its divisors is an integer number (45601920).

Almost surely, 2^1442126565 is an apocalyptic number.

1442126565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442126565 is an abundant number, since it is smaller than the sum of its proper divisors (1476396315).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1442126565 is a wasteful number, since it uses less digits than its factorization.

1442126565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271 (or 42265 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1442126565 is about 37975.3415389513. The cubic root of 1442126565 is about 1129.7988429881.

The spelling of 1442126565 in words is "one billion, four hundred forty-two million, one hundred twenty-six thousand, five hundred sixty-five".