143145516 has 12 divisors (see below), whose sum is σ = 334006232. Its totient is φ = 47715168.

The previous prime is 143145511. The next prime is 143145517. The reversal of 143145516 is 615541341.

It is a happy number.

143145516 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 (12).

It is not an unprimeable number, because it can be changed into a prime (143145511) 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, 5964385 + ... + 5964408.

Almost surely, 2^143145516 is an apocalyptic number.

It is an amenable number.

143145516 is an abundant number, since it is smaller than the sum of its proper divisors (190860716).

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

143145516 is a wasteful number, since it uses less digits than its factorization.

143145516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928800 (or 11928798 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 143145516 is about 11964.3435256599. The cubic root of 143145516 is about 523.1094706546.

Adding to 143145516 its reverse (615541341), we get a palindrome (758686857).

The spelling of 143145516 in words is "one hundred forty-three million, one hundred forty-five thousand, five hundred sixteen".