144220434312 has 32 divisors (see below), whose sum is σ = 370295712000. Its totient is φ = 46774194624.

The previous prime is 144220434301. The next prime is 144220434343. The reversal of 144220434312 is 213434022441.

It is a super-3 number, since 3×144220434312³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144220434312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81204312 + ... + 81206087.

It is an arithmetic number, because the mean of its divisors is an integer number (11571741000).

Almost surely, 2^144220434312 is an apocalyptic number.

144220434312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

144220434312 is an abundant number, since it is smaller than the sum of its proper divisors (226075277688).

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

144220434312 is a wasteful number, since it uses less digits than its factorization.

144220434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162410445 (or 162410441 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 144220434312 its reverse (213434022441), we get a palindrome (357654456753).

The spelling of 144220434312 in words is "one hundred forty-four billion, two hundred twenty million, four hundred thirty-four thousand, three hundred twelve".