144225414 has 32 divisors (see below), whose sum is σ = 321097440. Its totient is φ = 47985696.

The previous prime is 144225401. The next prime is 144225461. The reversal of 144225414 is 414522441.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30924 + ... + 35280.

It is an arithmetic number, because the mean of its divisors is an integer number (10034295).

Almost surely, 2^144225414 is an apocalyptic number.

144225414 is an abundant number, since it is smaller than the sum of its proper divisors (176872026).

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

144225414 is a wasteful number, since it uses less digits than its factorization.

144225414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981 (or 4975 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 144225414 is about 12009.3885772757. The cubic root of 144225414 is about 524.4216324617.

Adding to 144225414 its reverse (414522441), we get a palindrome (558747855).

The spelling of 144225414 in words is "one hundred forty-four million, two hundred twenty-five thousand, four hundred fourteen".