144234918 has 40 divisors (see below), whose sum is σ = 325044720. Its totient is φ = 47802960.

The previous prime is 144234911. The next prime is 144234931. The reversal of 144234918 is 819432441.

It is a happy number.

144234918 is a `hidden beast` number, since 144 + 23 + 491 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144234911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26863 + ... + 31781.

It is an arithmetic number, because the mean of its divisors is an integer number (8126118).

Almost surely, 2^144234918 is an apocalyptic number.

144234918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144234918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162522360).

144234918 is an abundant number, since it is smaller than the sum of its proper divisors (180809802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144234918 is a wasteful number, since it uses less digits than its factorization.

144234918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114 (or 5105 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 144234918 is about 12009.7842611764. The cubic root of 144234918 is about 524.4331514527.

The spelling of 144234918 in words is "one hundred forty-four million, two hundred thirty-four thousand, nine hundred eighteen".