143045346320 has 80 divisors (see below), whose sum is σ = 334860317568. Its totient is φ = 56826501120.

The previous prime is 143045346299. The next prime is 143045346371. The reversal of 143045346320 is 23643540341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×143045346320² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18179027 + ... + 18186893.

Almost surely, 2^143045346320 is an apocalyptic number.

143045346320 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 143045346320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167430158784).

143045346320 is an abundant number, since it is smaller than the sum of its proper divisors (191814971248).

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

143045346320 is a wasteful number, since it uses less digits than its factorization.

143045346320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9408 (or 9402 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 143045346320 its reverse (23643540341), we get a palindrome (166688886661).

The spelling of 143045346320 in words is "one hundred forty-three billion, forty-five million, three hundred forty-six thousand, three hundred twenty".