144251226 has 64 divisors (see below), whose sum is σ = 367718400. Its totient is φ = 41061168.

The previous prime is 144251209. The next prime is 144251231. The reversal of 144251226 is 622152441.

144251226 is a `hidden beast` number, since 14 + 425 + 1 + 226 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 144251226.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135171 + ... + 136233.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2^144251226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144251226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

144251226 is an abundant number, since it is smaller than the sum of its proper divisors (223467174).

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

144251226 is a wasteful number, since it uses less digits than its factorization.

144251226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1434 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 144251226 is about 12010.4631884037. The cubic root of 144251226 is about 524.4529158150.

It can be divided in two parts, 14425 and 1226, that added together give a palindrome (15651).

The spelling of 144251226 in words is "one hundred forty-four million, two hundred fifty-one thousand, two hundred twenty-six".