144420233401 has 16 divisors (see below), whose sum is σ = 147311239680. Its totient is φ = 141564875200.

The previous prime is 144420233371. The next prime is 144420233407. The reversal of 144420233401 is 104332024441.

It is a cyclic number.

It is not a de Polignac number, because 144420233401 - 2⁷ = 144420233273 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 144420233401.

It is not an unprimeable number, because it can be changed into a prime (144420233407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4158756 + ... + 4193338.

It is an arithmetic number, because the mean of its divisors is an integer number (9206952480).

Almost surely, 2^144420233401 is an apocalyptic number.

It is an amenable number.

144420233401 is a deficient number, since it is larger than the sum of its proper divisors (2891006279).

144420233401 is a wasteful number, since it uses less digits than its factorization.

144420233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35096.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 144420233401 its reverse (104332024441), we get a palindrome (248752257842).

The spelling of 144420233401 in words is "one hundred forty-four billion, four hundred twenty million, two hundred thirty-three thousand, four hundred one".