143102444 has 6 divisors (see below), whose sum is σ = 250429284. Its totient is φ = 71551220.

The previous prime is 143102429. The next prime is 143102461. The reversal of 143102444 is 444201341.

It is a happy 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 as a sum of consecutive naturals, namely, 17887802 + ... + 17887809.

It is an arithmetic number, because the mean of its divisors is an integer number (41738214).

Almost surely, 2^143102444 is an apocalyptic number.

It is an amenable number.

143102444 is a deficient number, since it is larger than the sum of its proper divisors (107326840).

143102444 is a wasteful number, since it uses less digits than its factorization.

143102444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35775615 (or 35775613 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 143102444 is about 11962.5433750520. The cubic root of 143102444 is about 523.0569981032.

Adding to 143102444 its reverse (444201341), we get a palindrome (587303785).

The spelling of 143102444 in words is "one hundred forty-three million, one hundred two thousand, four hundred forty-four".