144194450399 has 4 divisors (see below), whose sum is σ = 144206810664. Its totient is φ = 144182090136.

The previous prime is 144194450317. The next prime is 144194450461. The reversal of 144194450399 is 993054491441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993054491441 = 53 ⋅18736877197.

It is a cyclic number.

It is not a de Polignac number, because 144194450399 - 2¹² = 144194446303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144194450399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144194450299) 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, 6162617 + ... + 6185970.

It is an arithmetic number, because the mean of its divisors is an integer number (36051702666).

Almost surely, 2^144194450399 is an apocalyptic number.

144194450399 is a deficient number, since it is larger than the sum of its proper divisors (12360265).

144194450399 is a wasteful number, since it uses less digits than its factorization.

144194450399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360264.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 144194450399 in words is "one hundred forty-four billion, one hundred ninety-four million, four hundred fifty thousand, three hundred ninety-nine".