1442258873065 has 4 divisors (see below), whose sum is σ = 1730710647684. Its totient is φ = 1153807098448.

The previous prime is 1442258873009. The next prime is 1442258873071. The reversal of 1442258873065 is 5603788522441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 168412565161 + 1273846307904 = 410381^2 + 1128648^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442258873065 is a prime.

It is a super-2 number, since 2×1442258873065² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442258872997 and 1442258873015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144225887302 + ... + 144225887311.

It is an arithmetic number, because the mean of its divisors is an integer number (432677661921).

Almost surely, 2^{1442258873065} is an apocalyptic number.

It is an amenable number.

1442258873065 is a deficient number, since it is larger than the sum of its proper divisors (288451774619).

1442258873065 is an equidigital number, since it uses as much as digits as its factorization.

1442258873065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288451774618.

The product of its (nonzero) digits is 12902400, while the sum is 55.

The spelling of 1442258873065 in words is "one trillion, four hundred forty-two billion, two hundred fifty-eight million, eight hundred seventy-three thousand, sixty-five".