143404012 has 12 divisors (see below), whose sum is σ = 251052480. Its totient is φ = 71674736.

The previous prime is 143403991. The next prime is 143404067. The reversal of 143404012 is 210404341.

It is a super-2 number, since 2×143404012² = 41129421315392288, which 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 3 ways as a sum of consecutive naturals, for example, 9189 + ... + 19267.

It is an arithmetic number, because the mean of its divisors is an integer number (20921040).

Almost surely, 2^143404012 is an apocalyptic number.

It is an amenable number.

143404012 is a deficient number, since it is larger than the sum of its proper divisors (107648468).

143404012 is a wasteful number, since it uses less digits than its factorization.

143404012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13640 (or 13638 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143404012 is about 11975.1414187892. The cubic root of 143404012 is about 523.4241629934.

Adding to 143404012 its reverse (210404341), we get a palindrome (353808353).

The spelling of 143404012 in words is "one hundred forty-three million, four hundred four thousand, twelve".