144401231 has 8 divisors (see below), whose sum is σ = 156886800. Its totient is φ = 132112512.

The previous prime is 144401189. The next prime is 144401263. The reversal of 144401231 is 132104441.

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 144401231 - 2⁶ = 144401167 is a prime.

It is a super-2 number, since 2×144401231² = 41703431028630722, which 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 (144421231) 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, 47681 + ... + 50618.

It is an arithmetic number, because the mean of its divisors is an integer number (19610850).

Almost surely, 2^144401231 is an apocalyptic number.

144401231 is a deficient number, since it is larger than the sum of its proper divisors (12485569).

144401231 is a wasteful number, since it uses less digits than its factorization.

144401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98425.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144401231 is about 12016.7063291070. The cubic root of 144401231 is about 524.6346434579.

Adding to 144401231 its reverse (132104441), we get a palindrome (276505672).

The spelling of 144401231 in words is "one hundred forty-four million, four hundred one thousand, two hundred thirty-one".