144506631201636 has 24 divisors (see below), whose sum is σ = 367835061240864. Its totient is φ = 43789888242880.

The previous prime is 144506631201631. The next prime is 144506631201637. The reversal of 144506631201636 is 636102136605441.

It is a happy number.

It is a super-2 number, since 2×144506631201636² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144506631201631) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 547373602905 + ... + 547373603168.

It is an arithmetic number, because the mean of its divisors is an integer number (15326460885036).

Almost surely, 2^{144506631201636} is an apocalyptic number.

It is an amenable number.

144506631201636 is an abundant number, since it is smaller than the sum of its proper divisors (223328430039228).

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

144506631201636 is a wasteful number, since it uses less digits than its factorization.

144506631201636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094747206091 (or 1094747206089 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 144506631201636 in words is "one hundred forty-four trillion, five hundred six billion, six hundred thirty-one million, two hundred one thousand, six hundred thirty-six".