144064240 has 20 divisors (see below), whose sum is σ = 334949544. Its totient is φ = 57625664.

The previous prime is 144064159. The next prime is 144064247. The reversal of 144064240 is 42460441.

144064240 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144064247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900322 + ... + 900481.

Almost surely, 2^144064240 is an apocalyptic number.

144064240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144064240 is an abundant number, since it is smaller than the sum of its proper divisors (190885304).

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

144064240 is a wasteful number, since it uses less digits than its factorization.

144064240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800816 (or 1800810 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 144064240 is about 12002.6763682106. The cubic root of 144064240 is about 524.2262100446.

The spelling of 144064240 in words is "one hundred forty-four million, sixty-four thousand, two hundred forty".