143441620 has 36 divisors (see below), whose sum is σ = 350409780. Its totient is φ = 49179648.

The previous prime is 143441609. The next prime is 143441633. The reversal of 143441620 is 26144341.

143441620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32307856 + 111133764 = 5684^2 + 10542^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72205 + ... + 74164.

It is an arithmetic number, because the mean of its divisors is an integer number (9733605).

Almost surely, 2^143441620 is an apocalyptic number.

143441620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143441620 is an abundant number, since it is smaller than the sum of its proper divisors (206968160).

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

143441620 is a wasteful number, since it uses less digits than its factorization.

143441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146392 (or 146383 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 143441620 is about 11976.7115687070. The cubic root of 143441620 is about 523.4699153520.

Adding to 143441620 its reverse (26144341), we get a palindrome (169585961).

The spelling of 143441620 in words is "one hundred forty-three million, four hundred forty-one thousand, six hundred twenty".