143430203442 has 16 divisors (see below), whose sum is σ = 287157068352. Its totient is φ = 47760624240.

The previous prime is 143430203383. The next prime is 143430203443. The reversal of 143430203442 is 244302034341.

It is a happy number.

It is a super-3 number, since 3×143430203442³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (143430203443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12354609 + ... + 12366212.

It is an arithmetic number, because the mean of its divisors is an integer number (17947316772).

Almost surely, 2^143430203442 is an apocalyptic number.

143430203442 is an abundant number, since it is smaller than the sum of its proper divisors (143726864910).

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

143430203442 is a wasteful number, since it uses less digits than its factorization.

143430203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24721793.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 143430203442 its reverse (244302034341), we get a palindrome (387732237783).

The spelling of 143430203442 in words is "one hundred forty-three billion, four hundred thirty million, two hundred three thousand, four hundred forty-two".