144023023240 has 16 divisors (see below), whose sum is σ = 324051802380. Its totient is φ = 57609209280.

The previous prime is 144023023211. The next prime is 144023023253. The reversal of 144023023240 is 42320320441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 144006588324 + 16434916 = 379482^2 + 4054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800287751 + ... + 1800287830.

Almost surely, 2^144023023240 is an apocalyptic number.

144023023240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144023023240 is an abundant number, since it is smaller than the sum of its proper divisors (180028779140).

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

144023023240 is a wasteful number, since it uses less digits than its factorization.

144023023240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600575592 (or 3600575588 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 144023023240 its reverse (42320320441), we get a palindrome (186343343681).

The spelling of 144023023240 in words is "one hundred forty-four billion, twenty-three million, twenty-three thousand, two hundred forty".