144023516 has 48 divisors (see below), whose sum is σ = 323710464. Its totient is φ = 54495936.

The previous prime is 144023513. The next prime is 144023521. The reversal of 144023516 is 615320441.

It is a super-2 number, since 2×144023516² = 41485546322004512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144023513) 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, 230 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (6743968).

Almost surely, 2^144023516 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 144023516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161855232).

144023516 is an abundant number, since it is smaller than the sum of its proper divisors (179686948).

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

144023516 is a wasteful number, since it uses less digits than its factorization.

144023516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17250 (or 17248 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 144023516 is about 12000.9797933335. The cubic root of 144023516 is about 524.1768093974.

Adding to 144023516 its reverse (615320441), we get a palindrome (759343957).

The spelling of 144023516 in words is "one hundred forty-four million, twenty-three thousand, five hundred sixteen".