144302020 has 24 divisors (see below), whose sum is σ = 307188504. Its totient is φ = 56929536.

The previous prime is 144301991. The next prime is 144302063. The reversal of 144302020 is 20203441.

It can be written as a sum of positive squares in 4 ways, for example, as 46212804 + 98089216 = 6798^2 + 9904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144301985 and 144302003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47959 + ... + 50878.

It is an arithmetic number, because the mean of its divisors is an integer number (12799521).

Almost surely, 2^144302020 is an apocalyptic number.

144302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144302020 is an abundant number, since it is smaller than the sum of its proper divisors (162886484).

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

144302020 is a wasteful number, since it uses less digits than its factorization.

144302020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98919 (or 98917 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 144302020 is about 12012.5775751918. The cubic root of 144302020 is about 524.5144656911.

Adding to 144302020 its reverse (20203441), we get a palindrome (164505461).

It can be divided in two parts, 14 and 4302020, that added together give a palindrome (4302034).

The spelling of 144302020 in words is "one hundred forty-four million, three hundred two thousand, twenty".