144420500 has 48 divisors (see below), whose sum is σ = 360482304. Its totient is φ = 49514400.

The previous prime is 144420481. The next prime is 144420511. The reversal of 144420500 is 5024441.

144420500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17132 + ... + 24131.

It is an arithmetic number, because the mean of its divisors is an integer number (7510048).

Almost surely, 2^144420500 is an apocalyptic number.

144420500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144420500 is an abundant number, since it is smaller than the sum of its proper divisors (216061804).

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

144420500 is a wasteful number, since it uses less digits than its factorization.

144420500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41289 (or 41277 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 144420500 is about 12017.5080611581. The cubic root of 144420500 is about 524.6579782897.

Adding to 144420500 its reverse (5024441), we get a palindrome (149444941).

The spelling of 144420500 in words is "one hundred forty-four million, four hundred twenty thousand, five hundred".