143344420 has 12 divisors (see below), whose sum is σ = 301023324. Its totient is φ = 57337760.

The previous prime is 143344387. The next prime is 143344427. The reversal of 143344420 is 24443341.

It can be written as a sum of positive squares in 2 ways, for example, as 33849124 + 109495296 = 5818^2 + 10464^2 .

It is not an unprimeable number, because it can be changed into a prime (143344427) 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, 3583591 + ... + 3583630.

It is an arithmetic number, because the mean of its divisors is an integer number (25085277).

Almost surely, 2^143344420 is an apocalyptic number.

143344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143344420 is an abundant number, since it is smaller than the sum of its proper divisors (157678904).

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

143344420 is a wasteful number, since it uses less digits than its factorization.

143344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7167230 (or 7167228 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 143344420 is about 11972.6530059131. The cubic root of 143344420 is about 523.3516494146.

Adding to 143344420 its reverse (24443341), we get a palindrome (167787761).

The spelling of 143344420 in words is "one hundred forty-three million, three hundred forty-four thousand, four hundred twenty".