144504940 has 24 divisors (see below), whose sum is σ = 310519440. Its totient is φ = 56457408.

The previous prime is 144504881. The next prime is 144504949. The reversal of 144504940 is 49405441.

144504940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (144504949) 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, 83155 + ... + 84874.

It is an arithmetic number, because the mean of its divisors is an integer number (12938310).

Almost surely, 2^144504940 is an apocalyptic number.

144504940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144504940 is an abundant number, since it is smaller than the sum of its proper divisors (166014500).

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

144504940 is a wasteful number, since it uses less digits than its factorization.

144504940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168081 (or 168079 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 144504940 is about 12021.0207553269. The cubic root of 144504940 is about 524.7602109789.

The spelling of 144504940 in words is "one hundred forty-four million, five hundred four thousand, nine hundred forty".