143929444 has 12 divisors (see below), whose sum is σ = 254371068. Its totient is φ = 71252000.

The previous prime is 143929411. The next prime is 143929447. The reversal of 143929444 is 444929341.

It can be written as a sum of positive squares in 2 ways, for example, as 84824100 + 59105344 = 9210^2 + 7688^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143929397 and 143929406.

It is not an unprimeable number, because it can be changed into a prime (143929447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177727 + ... + 178534.

It is an arithmetic number, because the mean of its divisors is an integer number (21197589).

Almost surely, 2^143929444 is an apocalyptic number.

It is an amenable number.

143929444 is a deficient number, since it is larger than the sum of its proper divisors (110441624).

143929444 is a wasteful number, since it uses less digits than its factorization.

143929444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356366 (or 356364 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 143929444 is about 11997.0598064693. The cubic root of 143929444 is about 524.0626588241.

The spelling of 143929444 in words is "one hundred forty-three million, nine hundred twenty-nine thousand, four hundred forty-four".