144213020444220 has 384 divisors, whose sum is σ = 536142979362816. Its totient is φ = 28097186217984.

The previous prime is 144213020444179. The next prime is 144213020444291. The reversal of 144213020444220 is 22444020312441.

It is a super-2 number, since 2×144213020444220² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9737944 + ... + 19576863.

It is an arithmetic number, because the mean of its divisors is an integer number (1396205675424).

Almost surely, 2^{144213020444220} is an apocalyptic number.

144213020444220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144213020444220 is an abundant number, since it is smaller than the sum of its proper divisors (391929958918596).

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

144213020444220 is a wasteful number, since it uses less digits than its factorization.

144213020444220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29314909 (or 29314907 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 144213020444220 its reverse (22444020312441), we get a palindrome (166657040756661).

The spelling of 144213020444220 in words is "one hundred forty-four trillion, two hundred thirteen billion, twenty million, four hundred forty-four thousand, two hundred twenty".