143023445 has 16 divisors (see below), whose sum is σ = 174260160. Its totient is φ = 112675200.

The previous prime is 143023421. The next prime is 143023451. The reversal of 143023445 is 544320341.

It is not a de Polignac number, because 143023445 - 2⁸ = 143023189 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 146810 + ... + 147780.

It is an arithmetic number, because the mean of its divisors is an integer number (10891260).

Almost surely, 2^143023445 is an apocalyptic number.

It is an amenable number.

143023445 is a deficient number, since it is larger than the sum of its proper divisors (31236715).

143023445 is an equidigital number, since it uses as much as digits as its factorization.

143023445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 143023445 is about 11959.2409876212. The cubic root of 143023445 is about 522.9607300389.

Adding to 143023445 its reverse (544320341), we get a palindrome (687343786).

The spelling of 143023445 in words is "one hundred forty-three million, twenty-three thousand, four hundred forty-five".