144132231 has 4 divisors (see below), whose sum is σ = 192176312. Its totient is φ = 96088152.

The previous prime is 144132211. The next prime is 144132251. The reversal of 144132231 is 132231441.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (144132211) and next prime (144132251).

It is not a de Polignac number, because 144132231 - 2¹¹ = 144130183 is a prime.

It is a super-2 number, since 2×144132231² = 41548200026074722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144132198 and 144132207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144132211) 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, 24022036 + ... + 24022041.

It is an arithmetic number, because the mean of its divisors is an integer number (48044078).

Almost surely, 2^144132231 is an apocalyptic number.

144132231 is a deficient number, since it is larger than the sum of its proper divisors (48044081).

144132231 is an equidigital number, since it uses as much as digits as its factorization.

144132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48044080.

The product of its digits is 576, while the sum is 21.

The square root of 144132231 is about 12005.5083607484. The cubic root of 144132231 is about 524.3086664510.

Adding to 144132231 its reverse (132231441), we get a palindrome (276363672).

The spelling of 144132231 in words is "one hundred forty-four million, one hundred thirty-two thousand, two hundred thirty-one".