142215146593 has 4 divisors (see below), whose sum is σ = 153154773268. Its totient is φ = 131275519920.

The previous prime is 142215146581. The next prime is 142215146597. The reversal of 142215146593 is 395641512241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 395641512241 = 2851 ⋅138772891.

It can be written as a sum of positive squares in 2 ways, for example, as 86572469824 + 55642676769 = 294232^2 + 235887^2 .

It is a cyclic number.

It is not a de Polignac number, because 142215146593 - 2⁹ = 142215146081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142215146597) 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, 5469813318 + ... + 5469813343.

It is an arithmetic number, because the mean of its divisors is an integer number (38288693317).

Almost surely, 2^142215146593 is an apocalyptic number.

142215146593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

142215146593 is a deficient number, since it is larger than the sum of its proper divisors (10939626675).

142215146593 is a wasteful number, since it uses less digits than its factorization.

142215146593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10939626674.

The product of its digits is 259200, while the sum is 43.

The spelling of 142215146593 in words is "one hundred forty-two billion, two hundred fifteen million, one hundred forty-six thousand, five hundred ninety-three".