144914664 has 64 divisors (see below), whose sum is σ = 392999040. Its totient is φ = 44349440.

The previous prime is 144914659. The next prime is 144914669. The reversal of 144914664 is 466419441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144914659) and next prime (144914669).

It is not an unprimeable number, because it can be changed into a prime (144914669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12397 + ... + 21059.

It is an arithmetic number, because the mean of its divisors is an integer number (6140610).

Almost surely, 2^144914664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144914664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196499520).

144914664 is an abundant number, since it is smaller than the sum of its proper divisors (248084376).

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

144914664 is a wasteful number, since it uses less digits than its factorization.

144914664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730 (or 8726 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 144914664 is about 12038.0506727626. The cubic root of 144914664 is about 525.2557049154.

The spelling of 144914664 in words is "one hundred forty-four million, nine hundred fourteen thousand, six hundred sixty-four".