144645696 has 224 divisors, whose sum is σ = 471098880. Its totient is φ = 43241472.

The previous prime is 144645667. The next prime is 144645731. The reversal of 144645696 is 696546441.

It is a happy number.

It is a congruent number.

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, 1055740 + ... + 1055876.

It is an arithmetic number, because the mean of its divisors is an integer number (2103120).

Almost surely, 2^144645696 is an apocalyptic number.

144645696 is a gapful number since it is divisible by the number (16) 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 144645696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235549440).

144645696 is an abundant number, since it is smaller than the sum of its proper divisors (326453184).

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

144645696 is a wasteful number, since it uses less digits than its factorization.

144645696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 202 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 144645696 is about 12026.8739080444. The cubic root of 144645696 is about 524.9305377487.

The spelling of 144645696 in words is "one hundred forty-four million, six hundred forty-five thousand, six hundred ninety-six".