144331012021432 has 16 divisors (see below), whose sum is σ = 270624683986200. Its totient is φ = 72164429625120.

The previous prime is 144331012021429. The next prime is 144331012021457. The reversal of 144331012021432 is 234120210133441.

It is a happy number.

It is a super-2 number, since 2×144331012021432² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144331012021394 and 144331012021403.

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 3 ways as a sum of consecutive naturals, for example, 133978182 + ... + 135051157.

Almost surely, 2^{144331012021432} is an apocalyptic number.

It is an amenable number.

144331012021432 is a deficient number, since it is larger than the sum of its proper divisors (126293671964768).

144331012021432 is a wasteful number, since it uses less digits than its factorization.

144331012021432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269096406 (or 269096402 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 144331012021432 its reverse (234120210133441), we get a palindrome (378451222154873).

The spelling of 144331012021432 in words is "one hundred forty-four trillion, three hundred thirty-one billion, twelve million, twenty-one thousand, four hundred thirty-two".