144531204305444 has 24 divisors (see below), whose sum is σ = 283380592228608. Its totient is φ = 63920434335840.

The previous prime is 144531204305429. The next prime is 144531204305483. The reversal of 144531204305444 is 444503402135441.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 144531204305395 and 144531204305404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44389188884 + ... + 44389192139.

It is an arithmetic number, because the mean of its divisors is an integer number (11807524676192).

Almost surely, 2^{144531204305444} is an apocalyptic number.

It is an amenable number.

144531204305444 is a deficient number, since it is larger than the sum of its proper divisors (138849387923164).

144531204305444 is a wasteful number, since it uses less digits than its factorization.

144531204305444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88778381075 (or 88778381073 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 44.

The spelling of 144531204305444 in words is "one hundred forty-four trillion, five hundred thirty-one billion, two hundred four million, three hundred five thousand, four hundred forty-four".