144884620 has 24 divisors (see below), whose sum is σ = 306306000. Its totient is φ = 57563712.

The previous prime is 144884617. The next prime is 144884629. The reversal of 144884620 is 26488441.

It is a super-2 number, since 2×144884620² = 41983106225088800, 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 144884620.

It is not an unprimeable number, because it can be changed into a prime (144884629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21330 + ... + 27289.

It is an arithmetic number, because the mean of its divisors is an integer number (12762750).

Almost surely, 2^144884620 is an apocalyptic number.

144884620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144884620 is an abundant number, since it is smaller than the sum of its proper divisors (161421380).

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

144884620 is a wasteful number, since it uses less digits than its factorization.

144884620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48777 (or 48775 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The square root of 144884620 is about 12036.8027316227. The cubic root of 144884620 is about 525.2194033830.

It can be divided in two parts, 1448 and 84620, that added together give a palindrome (86068).

The spelling of 144884620 in words is "one hundred forty-four million, eight hundred eighty-four thousand, six hundred twenty".