144394192224 has 72 divisors (see below), whose sum is σ = 414458651880. Its totient is φ = 47681561088.

The previous prime is 144394192219. The next prime is 144394192231. The reversal of 144394192224 is 422291493441.

144394192224 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 9 + 419 + 2 + 224 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 144394192224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2312029 + ... + 2373660.

It is an arithmetic number, because the mean of its divisors is an integer number (5756370165).

Almost surely, 2^144394192224 is an apocalyptic number.

It is an amenable number.

144394192224 is an abundant number, since it is smaller than the sum of its proper divisors (270064459656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144394192224 is a wasteful number, since it uses less digits than its factorization.

144394192224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685812 (or 4685801 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 144394192224 in words is "one hundred forty-four billion, three hundred ninety-four million, one hundred ninety-two thousand, two hundred twenty-four".