143431204040 has 32 divisors (see below), whose sum is σ = 322740531000. Its totient is φ = 57368868864.

The previous prime is 143431204001. The next prime is 143431204057. The reversal of 143431204040 is 40402134341.

It can be written as a sum of positive squares in 4 ways, for example, as 118802923684 + 24628280356 = 344678^2 + 156934^2 .

It is a super-2 number, since 2×143431204040² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583256 + ... + 791864.

Almost surely, 2^143431204040 is an apocalyptic number.

143431204040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143431204040 is an abundant number, since it is smaller than the sum of its proper divisors (179309326960).

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

143431204040 is a wasteful number, since it uses less digits than its factorization.

143431204040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225809 (or 225805 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 143431204040 its reverse (40402134341), we get a palindrome (183833338381).

The spelling of 143431204040 in words is "one hundred forty-three billion, four hundred thirty-one million, two hundred four thousand, forty".