144694368 has 144 divisors (see below), whose sum is σ = 506522016. Its totient is φ = 38154240.

The previous prime is 144694349. The next prime is 144694387. The reversal of 144694368 is 863496441.

144694368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144694349) and next prime (144694387).

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23448 + ... + 28968.

It is an arithmetic number, because the mean of its divisors is an integer number (3517514).

Almost surely, 2^144694368 is an apocalyptic number.

144694368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144694368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253261008).

144694368 is an abundant number, since it is smaller than the sum of its proper divisors (361827648).

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

144694368 is a wasteful number, since it uses less digits than its factorization.

144694368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5557 (or 5546 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 144694368 is about 12028.8972063111. The cubic root of 144694368 is about 524.9894093102.

The spelling of 144694368 in words is "one hundred forty-four million, six hundred ninety-four thousand, three hundred sixty-eight".