144302021253140 has 48 divisors (see below), whose sum is σ = 306608748429312. Its totient is φ = 57043487563776.

The previous prime is 144302021253083. The next prime is 144302021253149. The reversal of 144302021253140 is 41352120203441.

It is a junction number, because it is equal to n+sod(n) for n = 144302021253097 and 144302021253106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144302021253149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109876052 + ... + 111181611.

It is an arithmetic number, because the mean of its divisors is an integer number (6387682258944).

Almost surely, 2^{144302021253140} is an apocalyptic number.

144302021253140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144302021253140 is an abundant number, since it is smaller than the sum of its proper divisors (162306727176172).

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

144302021253140 is a wasteful number, since it uses less digits than its factorization.

144302021253140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221058056 (or 221058054 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 144302021253140 its reverse (41352120203441), we get a palindrome (185654141456581).

The spelling of 144302021253140 in words is "one hundred forty-four trillion, three hundred two billion, twenty-one million, two hundred fifty-three thousand, one hundred forty".