144240111231420 has 48 divisors (see below), whose sum is σ = 407446402718880. Its totient is φ = 38123640016896.

The previous prime is 144240111231373. The next prime is 144240111231439. The reversal of 144240111231420 is 24132111042441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10637169565 + ... + 10637183124.

It is an arithmetic number, because the mean of its divisors is an integer number (8488466723310).

Almost surely, 2^{144240111231420} is an apocalyptic number.

144240111231420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144240111231420 is an abundant number, since it is smaller than the sum of its proper divisors (263206291487460).

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

144240111231420 is a wasteful number, since it uses less digits than its factorization.

144240111231420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21274352814 (or 21274352812 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 144240111231420 its reverse (24132111042441), we get a palindrome (168372222273861).

The spelling of 144240111231420 in words is "one hundred forty-four trillion, two hundred forty billion, one hundred eleven million, two hundred thirty-one thousand, four hundred twenty".