144201231 has 12 divisors (see below), whose sum is σ = 213135208. Its totient is φ = 93898224.

The previous prime is 144201229. The next prime is 144201313. The reversal of 144201231 is 132102441.

144201231 is a `hidden beast` number, since 14 + 420 + 1 + 231 = 666.

It is not a de Polignac number, because 144201231 - 2¹ = 144201229 is a prime.

It is a super-2 number, since 2×144201231² = 41587990043830722, 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 (144201331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185920 + ... + 186693.

Almost surely, 2^144201231 is an apocalyptic number.

144201231 is a deficient number, since it is larger than the sum of its proper divisors (68933977).

144201231 is a wasteful number, since it uses less digits than its factorization.

144201231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372662 (or 372659 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144201231 is about 12008.3816977976. The cubic root of 144201231 is about 524.3923200198.

Adding to 144201231 its reverse (132102441), we get a palindrome (276303672).

It can be divided in two parts, 14420 and 1231, that added together give a palindrome (15651).

The spelling of 144201231 in words is "one hundred forty-four million, two hundred one thousand, two hundred thirty-one".