144544920 has 64 divisors (see below), whose sum is σ = 466996320. Its totient is φ = 35579904.

The previous prime is 144544871. The next prime is 144544927. The reversal of 144544920 is 29445441.

144544920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144544927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44769 + ... + 47888.

Almost surely, 2^144544920 is an apocalyptic number.

144544920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144544920 is an abundant number, since it is smaller than the sum of its proper divisors (322451400).

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

144544920 is a wasteful number, since it uses less digits than its factorization.

144544920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92684 (or 92680 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 144544920 is about 12022.6835606698. The cubic root of 144544920 is about 524.8086014324.

The spelling of 144544920 in words is "one hundred forty-four million, five hundred forty-four thousand, nine hundred twenty".