143538560 has 64 divisors (see below), whose sum is σ = 374360400. Its totient is φ = 52193280.

The previous prime is 143538557. The next prime is 143538583. The reversal of 143538560 is 65835341.

143538560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 143538560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3155 + ... + 17234.

Almost surely, 2^143538560 is an apocalyptic number.

143538560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143538560 is an abundant number, since it is smaller than the sum of its proper divisors (230821840).

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

143538560 is a wasteful number, since it uses less digits than its factorization.

143538560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20419 (or 20407 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 143538560 is about 11980.7579059090. The cubic root of 143538560 is about 523.5878117395.

The spelling of 143538560 in words is "one hundred forty-three million, five hundred thirty-eight thousand, five hundred sixty".