144400020043 has 8 divisors (see below), whose sum is σ = 154182428928. Its totient is φ = 134909623464.

The previous prime is 144400020041. The next prime is 144400020067. The reversal of 144400020043 is 340020004441.

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

It is a cyclic number.

It is not a de Polignac number, because 144400020043 - 2¹ = 144400020041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144400019996 and 144400020023.

It is not an unprimeable number, because it can be changed into a prime (144400020041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73002055 + ... + 73004032.

It is an arithmetic number, because the mean of its divisors is an integer number (19272803616).

Almost surely, 2^144400020043 is an apocalyptic number.

144400020043 is a deficient number, since it is larger than the sum of its proper divisors (9782408885).

144400020043 is a wasteful number, since it uses less digits than its factorization.

144400020043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146006153.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 144400020043 its reverse (340020004441), we get a palindrome (484420024484).

The spelling of 144400020043 in words is "one hundred forty-four billion, four hundred million, twenty thousand, forty-three".