144311214120421 has 12 divisors (see below), whose sum is σ = 145306016478336. Its totient is φ = 143323173559800.

The previous prime is 144311214120419. The next prime is 144311214120431. The reversal of 144311214120421 is 124021412113441.

It is a happy number.

It is not a de Polignac number, because 144311214120421 - 2¹ = 144311214120419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144311214120431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100684426 + ... + 102107668.

It is an arithmetic number, because the mean of its divisors is an integer number (12108834706528).

Almost surely, 2^{144311214120421} is an apocalyptic number.

It is an amenable number.

144311214120421 is a deficient number, since it is larger than the sum of its proper divisors (994802357915).

144311214120421 is an equidigital number, since it uses as much as digits as its factorization.

144311214120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427992 (or 1427841 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 144311214120421 its reverse (124021412113441), we get a palindrome (268332626233862).

The spelling of 144311214120421 in words is "one hundred forty-four trillion, three hundred eleven billion, two hundred fourteen million, one hundred twenty thousand, four hundred twenty-one".