143440004236 has 24 divisors (see below), whose sum is σ = 271966962960. Its totient is φ = 65931382272.

The previous prime is 143440004231. The next prime is 143440004237. The reversal of 143440004236 is 632400044341.

It is a junction number, because it is equal to n+sod(n) for n = 143440004198 and 143440004207.

It is not an unprimeable number, because it can be changed into a prime (143440004231) 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, 24525121 + ... + 24530968.

It is an arithmetic number, because the mean of its divisors is an integer number (11331956790).

Almost surely, 2^143440004236 is an apocalyptic number.

It is an amenable number.

143440004236 is a deficient number, since it is larger than the sum of its proper divisors (128526958724).

143440004236 is a wasteful number, since it uses less digits than its factorization.

143440004236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49056153 (or 49056151 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 143440004236 its reverse (632400044341), we get a palindrome (775840048577).

The spelling of 143440004236 in words is "one hundred forty-three billion, four hundred forty million, four thousand, two hundred thirty-six".