144032720536 has 32 divisors (see below), whose sum is σ = 276389087040. Its totient is φ = 70329536928.

The previous prime is 144032720527. The next prime is 144032720537. The reversal of 144032720536 is 635027230441.

It is a super-2 number, since 2×144032720536² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144032720495 and 144032720504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144032720537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2178315 + ... + 2243461.

It is an arithmetic number, because the mean of its divisors is an integer number (8637158970).

Almost surely, 2^144032720536 is an apocalyptic number.

It is an amenable number.

144032720536 is a deficient number, since it is larger than the sum of its proper divisors (132356366504).

144032720536 is a wasteful number, since it uses less digits than its factorization.

144032720536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71623 (or 71619 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

Adding to 144032720536 its reverse (635027230441), we get a palindrome (779059950977).

The spelling of 144032720536 in words is "one hundred forty-four billion, thirty-two million, seven hundred twenty thousand, five hundred thirty-six".