144043020 has 144 divisors (see below), whose sum is σ = 497532672. Its totient is φ = 33390720.

The previous prime is 144043007. The next prime is 144043037. The reversal of 144043020 is 20340441.

It is a super-2 number, since 2×144043020² = 41496783221440800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144042984 and 144043002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43959 + ... + 47121.

It is an arithmetic number, because the mean of its divisors is an integer number (3455088).

Almost surely, 2^144043020 is an apocalyptic number.

144043020 is a gapful number since it is divisible by the number (10) 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 144043020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248766336).

144043020 is an abundant number, since it is smaller than the sum of its proper divisors (353489652).

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

144043020 is a wasteful number, since it uses less digits than its factorization.

144043020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 144043020 is about 12001.7923661427. The cubic root of 144043020 is about 524.2004700775.

Adding to 144043020 its reverse (20340441), we get a palindrome (164383461).

It can be divided in two parts, 14404 and 3020, that added together give a square (17424 = 132²).

The spelling of 144043020 in words is "one hundred forty-four million, forty-three thousand, twenty".