143021102440420 has 48 divisors (see below), whose sum is σ = 302958687311280. Its totient is φ = 56712562066944.

The previous prime is 143021102440399. The next prime is 143021102440439. The reversal of 143021102440420 is 24044201120341.

It can be written as a sum of positive squares in 8 ways, for example, as 3037372753636 + 139983729686784 = 1742806^2 + 11831472^2 .

It is a super-2 number, since 2×143021102440420² (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, 64431675 + ... + 66614434.

It is an arithmetic number, because the mean of its divisors is an integer number (6311639318985).

Almost surely, 2^{143021102440420} is an apocalyptic number.

143021102440420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143021102440420 is an abundant number, since it is smaller than the sum of its proper divisors (159937584870860).

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

143021102440420 is a wasteful number, since it uses less digits than its factorization.

143021102440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131046592 (or 131046590 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 143021102440420 its reverse (24044201120341), we get a palindrome (167065303560761).

The spelling of 143021102440420 in words is "one hundred forty-three trillion, twenty-one billion, one hundred two million, four hundred forty thousand, four hundred twenty".