144121664532 has 48 divisors (see below), whose sum is σ = 340858253120. Its totient is φ = 47390303232.

The previous prime is 144121664527. The next prime is 144121664569. The reversal of 144121664532 is 235466121441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155694 + ... + 559002.

Almost surely, 2^144121664532 is an apocalyptic number.

144121664532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144121664532 is an abundant number, since it is smaller than the sum of its proper divisors (196736588588).

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

144121664532 is a wasteful number, since it uses less digits than its factorization.

144121664532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403720 (or 403718 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

Adding to 144121664532 its reverse (235466121441), we get a palindrome (379587785973).

The spelling of 144121664532 in words is "one hundred forty-four billion, one hundred twenty-one million, six hundred sixty-four thousand, five hundred thirty-two".