144417330 has 96 divisors (see below), whose sum is σ = 393853824. Its totient is φ = 38071296.

The previous prime is 144417319. The next prime is 144417331. The reversal of 144417330 is 33714441.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144417294 and 144417303.

It is not an unprimeable number, because it can be changed into a prime (144417331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250002 + ... + 250578.

It is an arithmetic number, because the mean of its divisors is an integer number (4102644).

Almost surely, 2^144417330 is an apocalyptic number.

144417330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144417330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196926912).

144417330 is an abundant number, since it is smaller than the sum of its proper divisors (249436494).

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

144417330 is a wasteful number, since it uses less digits than its factorization.

144417330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 144417330 is about 12017.3761695305. The cubic root of 144417330 is about 524.6541395504.

The spelling of 144417330 in words is "one hundred forty-four million, four hundred seventeen thousand, three hundred thirty".