143430444 has 36 divisors (see below), whose sum is σ = 364400400. Its totient is φ = 47567520.

The previous prime is 143430431. The next prime is 143430457. The reversal of 143430444 is 444034341.

It is an interprime number because it is at equal distance from previous prime (143430431) and next prime (143430457).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2847 + ... + 17174.

Almost surely, 2^143430444 is an apocalyptic number.

It is an amenable number.

143430444 is an abundant number, since it is smaller than the sum of its proper divisors (220969956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143430444 is a wasteful number, since it uses less digits than its factorization.

143430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20230 (or 20225 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 143430444 is about 11976.2449874742. The cubic root of 143430444 is about 523.4563199215.

Adding to 143430444 its reverse (444034341), we get a palindrome (587464785).

It can be divided in two parts, 1434 and 30444, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 143430444 in words is "one hundred forty-three million, four hundred thirty thousand, four hundred forty-four".