144220314 has 64 divisors (see below), whose sum is σ = 341231616. Its totient is φ = 39783744.

The previous prime is 144220303. The next prime is 144220331. The reversal of 144220314 is 413022441.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 148659 + ... + 149625.

It is an arithmetic number, because the mean of its divisors is an integer number (5331744).

Almost surely, 2^144220314 is an apocalyptic number.

144220314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144220314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170615808).

144220314 is an abundant number, since it is smaller than the sum of its proper divisors (197011302).

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

144220314 is a wasteful number, since it uses less digits than its factorization.

144220314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144220314 is about 12009.1762415246. The cubic root of 144220314 is about 524.4154509764.

Adding to 144220314 its reverse (413022441), we get a palindrome (557242755).

The spelling of 144220314 in words is "one hundred forty-four million, two hundred twenty thousand, three hundred fourteen".