143673344 has 72 divisors (see below), whose sum is σ = 300908790. Its totient is φ = 68567040.

The previous prime is 143673311. The next prime is 143673353. The reversal of 143673344 is 443376341.

It can be written as a sum of positive squares in only one way, i.e., 119071744 + 24601600 = 10912^2 + 4960^2 .

It is a super-2 number, since 2×143673344² = 41284059552284672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1968092 + ... + 1968164.

Almost surely, 2^143673344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143673344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150454395).

143673344 is an abundant number, since it is smaller than the sum of its proper divisors (157235446).

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

143673344 is an frugal number, since it uses more digits than its factorization.

143673344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 106 counting only the distinct ones).

The product of its digits is 72576, while the sum is 35.

The square root of 143673344 is about 11986.3816058058. The cubic root of 143673344 is about 523.7516450261.

The spelling of 143673344 in words is "one hundred forty-three million, six hundred seventy-three thousand, three hundred forty-four".