144427394398 has 8 divisors (see below), whose sum is σ = 247589818992. Its totient is φ = 61897454736.

The previous prime is 144427394393. The next prime is 144427394429. The reversal of 144427394398 is 893493724441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144427394393) 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, 5158121215 + ... + 5158121242.

It is an arithmetic number, because the mean of its divisors is an integer number (30948727374).

Almost surely, 2^144427394398 is an apocalyptic number.

144427394398 is a deficient number, since it is larger than the sum of its proper divisors (103162424594).

144427394398 is a wasteful number, since it uses less digits than its factorization.

144427394398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10316242466.

The product of its digits is 20901888, while the sum is 58.

The spelling of 144427394398 in words is "one hundred forty-four billion, four hundred twenty-seven million, three hundred ninety-four thousand, three hundred ninety-eight".