144435503450220 has 48 divisors (see below), whose sum is σ = 404561661073920. Its totient is φ = 38502586499776.

The previous prime is 144435503450197. The next prime is 144435503450233. The reversal of 144435503450220 is 22054305534441.

It is a super-2 number, since 2×144435503450220² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423195300 + ... + 423536459.

It is an arithmetic number, because the mean of its divisors is an integer number (8428367939040).

Almost surely, 2^{144435503450220} is an apocalyptic number.

144435503450220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144435503450220 is an abundant number, since it is smaller than the sum of its proper divisors (260126157623700).

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

144435503450220 is a wasteful number, since it uses less digits than its factorization.

144435503450220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846734614 (or 846734612 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 144435503450220 its reverse (22054305534441), we get a palindrome (166489808984661).

The spelling of 144435503450220 in words is "one hundred forty-four trillion, four hundred thirty-five billion, five hundred three million, four hundred fifty thousand, two hundred twenty".