144532215612 has 72 divisors (see below), whose sum is σ = 389660072256. Its totient is φ = 45012440064.

The previous prime is 144532215601. The next prime is 144532215637. The reversal of 144532215612 is 216512235441.

144532215612 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 3 + 22 + 15 + 612 = 666.

144532215612 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×144532215612² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 778068 + ... + 945755.

It is an arithmetic number, because the mean of its divisors is an integer number (5411945448).

Almost surely, 2^144532215612 is an apocalyptic number.

144532215612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144532215612 is an abundant number, since it is smaller than the sum of its proper divisors (245127856644).

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

144532215612 is a wasteful number, since it uses less digits than its factorization.

144532215612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723987 (or 1723982 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The spelling of 144532215612 in words is "one hundred forty-four billion, five hundred thirty-two million, two hundred fifteen thousand, six hundred twelve".