144344040 has 32 divisors (see below), whose sum is σ = 433032480. Its totient is φ = 38491712.

The previous prime is 144344033. The next prime is 144344041. The reversal of 144344040 is 40443441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 144344040.

It is not an unprimeable number, because it can be changed into a prime (144344041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601314 + ... + 601553.

It is an arithmetic number, because the mean of its divisors is an integer number (13532265).

Almost surely, 2^144344040 is an apocalyptic number.

144344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144344040 is an abundant number, since it is smaller than the sum of its proper divisors (288688440).

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

144344040 is a wasteful number, since it uses less digits than its factorization.

144344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202881 (or 1202877 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 144344040 is about 12014.3264480369. The cubic root of 144344040 is about 524.5653727144.

Adding to 144344040 its reverse (40443441), we get a palindrome (184787481).

The spelling of 144344040 in words is "one hundred forty-four million, three hundred forty-four thousand, forty".