144433482381 has 24 divisors (see below), whose sum is σ = 210996129344. Its totient is φ = 95197213440.

The previous prime is 144433482371. The next prime is 144433482409. The reversal of 144433482381 is 183284334441.

144433482381 is a `hidden beast` number, since 144 + 433 + 48 + 2 + 38 + 1 = 666.

It is not a de Polignac number, because 144433482381 - 2⁷ = 144433482253 is a prime.

It is a super-2 number, since 2×144433482381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144433482331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 758646 + ... + 929736.

Almost surely, 2^144433482381 is an apocalyptic number.

It is an amenable number.

144433482381 is a deficient number, since it is larger than the sum of its proper divisors (66562646963).

144433482381 is a wasteful number, since it uses less digits than its factorization.

144433482381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172161 (or 172158 counting only the distinct ones).

The product of its digits is 884736, while the sum is 45.

The spelling of 144433482381 in words is "one hundred forty-four billion, four hundred thirty-three million, four hundred eighty-two thousand, three hundred eighty-one".