142773227999 has 4 divisors (see below), whose sum is σ = 150287608440. Its totient is φ = 135258847560.

The previous prime is 142773227983. The next prime is 142773228007. The reversal of 142773227999 is 999722377241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 999722377241 = 7 ⋅142817482463.

It is a cyclic number.

It is not a de Polignac number, because 142773227999 - 2⁴ = 142773227983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142773427999) 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, 3757190192 + ... + 3757190229.

It is an arithmetic number, because the mean of its divisors is an integer number (37571902110).

Almost surely, 2^142773227999 is an apocalyptic number.

142773227999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

142773227999 is a deficient number, since it is larger than the sum of its proper divisors (7514380441).

142773227999 is an equidigital number, since it uses as much as digits as its factorization.

142773227999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514380440.

The product of its digits is 24004512, while the sum is 62.

The spelling of 142773227999 in words is "one hundred forty-two billion, seven hundred seventy-three million, two hundred twenty-seven thousand, nine hundred ninety-nine".