143043401346 has 32 divisors (see below), whose sum is σ = 287457797760. Its totient is φ = 47452811904.

The previous prime is 143043401341. The next prime is 143043401363. The reversal of 143043401346 is 643104340341.

It is a happy number.

It is a super-2 number, since 2×143043401346² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143043401341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418326 + ... + 3459918.

It is an arithmetic number, because the mean of its divisors is an integer number (8983056180).

Almost surely, 2^143043401346 is an apocalyptic number.

143043401346 is an abundant number, since it is smaller than the sum of its proper divisors (144414396414).

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

143043401346 is a wasteful number, since it uses less digits than its factorization.

143043401346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44330.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 143043401346 its reverse (643104340341), we get a palindrome (786147741687).

The spelling of 143043401346 in words is "one hundred forty-three billion, forty-three million, four hundred one thousand, three hundred forty-six".