143232302420 has 12 divisors (see below), whose sum is σ = 300787835124. Its totient is φ = 57292920960.

The previous prime is 143232302413. The next prime is 143232302429. The reversal of 143232302420 is 24203232341.

It can be written as a sum of positive squares in 2 ways, for example, as 93928764484 + 49303537936 = 306478^2 + 222044^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143232302420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143232302429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3580807541 + ... + 3580807580.

It is an arithmetic number, because the mean of its divisors is an integer number (25065652927).

Almost surely, 2^143232302420 is an apocalyptic number.

143232302420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143232302420 is an abundant number, since it is smaller than the sum of its proper divisors (157555532704).

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

143232302420 is a wasteful number, since it uses less digits than its factorization.

143232302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161615130 (or 7161615128 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 143232302420 its reverse (24203232341), we get a palindrome (167435534761).

The spelling of 143232302420 in words is "one hundred forty-three billion, two hundred thirty-two million, three hundred two thousand, four hundred twenty".