143489388 has 24 divisors (see below), whose sum is σ = 382638592. Its totient is φ = 40996944.

The previous prime is 143489383. The next prime is 143489393. The reversal of 143489388 is 883984341.

143489388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143489383) and next prime (143489393).

It is a super-2 number, since 2×143489388² = 41178408937229088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143489383) 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, 854020 + ... + 854187.

Almost surely, 2^143489388 is an apocalyptic number.

It is an amenable number.

143489388 is an abundant number, since it is smaller than the sum of its proper divisors (239149204).

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

143489388 is a wasteful number, since it uses less digits than its factorization.

143489388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708221 (or 1708219 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 143489388 is about 11978.7056061997. The cubic root of 143489388 is about 523.5280164242.

The spelling of 143489388 in words is "one hundred forty-three million, four hundred eighty-nine thousand, three hundred eighty-eight".