144473616 has 120 divisors (see below), whose sum is σ = 489325824. Its totient is φ = 38845440.

The previous prime is 144473591. The next prime is 144473617. The reversal of 144473616 is 616374441.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (144473617) 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, 12921 + ... + 21351.

Almost surely, 2^144473616 is an apocalyptic number.

144473616 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 144473616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244662912).

144473616 is an abundant number, since it is smaller than the sum of its proper divisors (344852208).

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

144473616 is a wasteful number, since it uses less digits than its factorization.

144473616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469 (or 8460 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 144473616 is about 12019.7178003479. The cubic root of 144473616 is about 524.7222912218.

The spelling of 144473616 in words is "one hundred forty-four million, four hundred seventy-three thousand, six hundred sixteen".