144264231 has 6 divisors (see below), whose sum is σ = 208381680. Its totient is φ = 96176148.

The previous prime is 144264229. The next prime is 144264247. The reversal of 144264231 is 132462441.

It is a happy number.

144264231 is a `hidden beast` number, since 1 + 4 + 426 + 4 + 231 = 666.

It is not a de Polignac number, because 144264231 - 2¹ = 144264229 is a prime.

It is a super-2 number, since 2×144264231² = 41624336692042722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144264195 and 144264204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144264031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8014671 + ... + 8014688.

It is an arithmetic number, because the mean of its divisors is an integer number (34730280).

Almost surely, 2^144264231 is an apocalyptic number.

144264231 is a deficient number, since it is larger than the sum of its proper divisors (64117449).

144264231 is a wasteful number, since it uses less digits than its factorization.

144264231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16029365 (or 16029362 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 144264231 is about 12011.0045791349. The cubic root of 144264231 is about 524.4686760628.

The spelling of 144264231 in words is "one hundred forty-four million, two hundred sixty-four thousand, two hundred thirty-one".