144446316 has 72 divisors (see below), whose sum is σ = 394684416. Its totient is φ = 40995360.

The previous prime is 144446299. The next prime is 144446317. The reversal of 144446316 is 613644441.

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

It is not an unprimeable number, because it can be changed into a prime (144446317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97461 + ... + 98931.

It is an arithmetic number, because the mean of its divisors is an integer number (5481728).

Almost surely, 2^144446316 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 144446316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197342208).

144446316 is an abundant number, since it is smaller than the sum of its proper divisors (250238100).

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

144446316 is a wasteful number, since it uses less digits than its factorization.

144446316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659 (or 1650 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 144446316 is about 12018.5821127120. The cubic root of 144446316 is about 524.6892383103.

The spelling of 144446316 in words is "one hundred forty-four million, four hundred forty-six thousand, three hundred sixteen".