144845388 has 48 divisors (see below), whose sum is σ = 376320000. Its totient is φ = 48179664.

The previous prime is 144845387. The next prime is 144845479. The reversal of 144845388 is 883548441.

It is not an unprimeable number, because it can be changed into a prime (144845387) 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, 63573 + ... + 65811.

It is an arithmetic number, because the mean of its divisors is an integer number (7840000).

Almost surely, 2^144845388 is an apocalyptic number.

144845388 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

144845388 is an abundant number, since it is smaller than the sum of its proper divisors (231474612).

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

144845388 is a wasteful number, since it uses less digits than its factorization.

144845388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2843 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 144845388 is about 12035.1729526418. The cubic root of 144845388 is about 525.1719926278.

The spelling of 144845388 in words is "one hundred forty-four million, eight hundred forty-five thousand, three hundred eighty-eight".