143445028 has 12 divisors (see below), whose sum is σ = 252862092. Its totient is φ = 71198720.

The previous prime is 143445013. The next prime is 143445077. The reversal of 143445028 is 820544341.

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 104407524 = 6248^2 + 10218^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130333 + ... + 131428.

It is an arithmetic number, because the mean of its divisors is an integer number (21071841).

Almost surely, 2^143445028 is an apocalyptic number.

It is an amenable number.

143445028 is a deficient number, since it is larger than the sum of its proper divisors (109417064).

143445028 is a wasteful number, since it uses less digits than its factorization.

143445028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261902 (or 261900 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 143445028 is about 11976.8538439776. The cubic root of 143445028 is about 523.4740609906.

Adding to 143445028 its reverse (820544341), we get a palindrome (963989369).

The spelling of 143445028 in words is "one hundred forty-three million, four hundred forty-five thousand, twenty-eight".