142448447233 has 4 divisors (see below), whose sum is σ = 142449202948. Its totient is φ = 142447691520.

The previous prime is 142448447201. The next prime is 142448447263. The reversal of 142448447233 is 332744844241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 50522451984 + 91925995249 = 224772^2 + 303193^2 .

It is a cyclic number.

It is not a de Polignac number, because 142448447233 - 2⁵ = 142448447201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142448447263) 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, 161785 + ... + 557737.

It is an arithmetic number, because the mean of its divisors is an integer number (35612300737).

Almost surely, 2^142448447233 is an apocalyptic number.

It is an amenable number.

142448447233 is a deficient number, since it is larger than the sum of its proper divisors (755715).

142448447233 is an equidigital number, since it uses as much as digits as its factorization.

142448447233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755714.

The product of its digits is 2064384, while the sum is 46.

The spelling of 142448447233 in words is "one hundred forty-two billion, four hundred forty-eight million, four hundred forty-seven thousand, two hundred thirty-three".