144303020 has 24 divisors (see below), whose sum is σ = 306164544. Its totient is φ = 57125376.

The previous prime is 144303013. The next prime is 144303023. The reversal of 144303020 is 20303441.

144303020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144303020² = 41646723162240800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144303020.

It is not an unprimeable number, because it can be changed into a prime (144303023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35252 + ... + 39131.

It is an arithmetic number, because the mean of its divisors is an integer number (12756856).

Almost surely, 2^144303020 is an apocalyptic number.

144303020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144303020 is an abundant number, since it is smaller than the sum of its proper divisors (161861524).

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

144303020 is a wasteful number, since it uses less digits than its factorization.

144303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74489 (or 74487 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 144303020 is about 12012.6191981599. The cubic root of 144303020 is about 524.5156773010.

Adding to 144303020 its reverse (20303441), we get a palindrome (164606461).

It can be divided in two parts, 14 and 4303020, that added together give a palindrome (4303034).

The spelling of 144303020 in words is "one hundred forty-four million, three hundred three thousand, twenty".