143226446 has 16 divisors (see below), whose sum is σ = 246706560. Its totient is φ = 61676280.

The previous prime is 143226443. The next prime is 143226449. The reversal of 143226446 is 644622341.

It is an interprime number because it is at equal distance from previous prime (143226443) and next prime (143226449).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143226443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 170906 + ... + 171741.

It is an arithmetic number, because the mean of its divisors is an integer number (15419160).

Almost surely, 2^143226446 is an apocalyptic number.

143226446 is a deficient number, since it is larger than the sum of its proper divisors (103480114).

143226446 is a wasteful number, since it uses less digits than its factorization.

143226446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342679.

The product of its digits is 27648, while the sum is 32.

The square root of 143226446 is about 11967.7251806682. The cubic root of 143226446 is about 523.2080353292.

Adding to 143226446 its reverse (644622341), we get a palindrome (787848787).

The spelling of 143226446 in words is "one hundred forty-three million, two hundred twenty-six thousand, four hundred forty-six".