144302221240431 has 16 divisors (see below), whose sum is σ = 193871405351904. Its totient is φ = 95468796618624.

The previous prime is 144302221240417. The next prime is 144302221240439. The reversal of 144302221240431 is 134042122203441.

It is not a de Polignac number, because 144302221240431 - 2¹⁷ = 144302221109359 is a prime.

It is a super-2 number, since 2×144302221240431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144302221240392 and 144302221240401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144302221240439) 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, 191829220 + ... + 192579993.

It is an arithmetic number, because the mean of its divisors is an integer number (12116962834494).

Almost surely, 2^{144302221240431} is an apocalyptic number.

144302221240431 is a deficient number, since it is larger than the sum of its proper divisors (49569184111473).

144302221240431 is a wasteful number, since it uses less digits than its factorization.

144302221240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384410170.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 144302221240431 its reverse (134042122203441), we get a palindrome (278344343443872).

The spelling of 144302221240431 in words is "one hundred forty-four trillion, three hundred two billion, two hundred twenty-one million, two hundred forty thousand, four hundred thirty-one".