143245662420 has 192 divisors, whose sum is σ = 473672908800. Its totient is φ = 31652190720.

The previous prime is 143245662419. The next prime is 143245662431. The reversal of 143245662420 is 24266542341.

It is a happy number.

143245662420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13522486 + ... + 13533074.

It is an arithmetic number, because the mean of its divisors is an integer number (2467046400).

Almost surely, 2^143245662420 is an apocalyptic number.

143245662420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143245662420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236836454400).

143245662420 is an abundant number, since it is smaller than the sum of its proper divisors (330427246380).

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

143245662420 is a wasteful number, since it uses less digits than its factorization.

143245662420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678 (or 11676 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 143245662420 in words is "one hundred forty-three billion, two hundred forty-five million, six hundred sixty-two thousand, four hundred twenty".