143144920 has 32 divisors (see below), whose sum is σ = 322503120. Its totient is φ = 57182080.

The previous prime is 143144909. The next prime is 143144927. The reversal of 143144920 is 29441341.

143144920 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143144927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35739 + ... + 39541.

Almost surely, 2^143144920 is an apocalyptic number.

143144920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143144920 is an abundant number, since it is smaller than the sum of its proper divisors (179358200).

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

143144920 is a wasteful number, since it uses less digits than its factorization.

143144920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755 (or 4751 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 143144920 is about 11964.3186182916. The cubic root of 143144920 is about 523.1087446482.

The spelling of 143144920 in words is "one hundred forty-three million, one hundred forty-four thousand, nine hundred twenty".