144330407 has 4 divisors (see below), whose sum is σ = 155432760. Its totient is φ = 133228056.

The previous prime is 144330379. The next prime is 144330409. The reversal of 144330407 is 704033441.

144330407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 704033441 = 1193 ⋅590137.

It is not a de Polignac number, because 144330407 - 2²² = 140136103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144330409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551157 + ... + 5551182.

It is an arithmetic number, because the mean of its divisors is an integer number (38858190).

Almost surely, 2^144330407 is an apocalyptic number.

144330407 is a deficient number, since it is larger than the sum of its proper divisors (11102353).

144330407 is a wasteful number, since it uses less digits than its factorization.

144330407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102352.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 144330407 is about 12013.7590703326. The cubic root of 144330407 is about 524.5488574848.

Adding to 144330407 its reverse (704033441), we get a palindrome (848363848).

The spelling of 144330407 in words is "one hundred forty-four million, three hundred thirty thousand, four hundred seven".