143513145 has 24 divisors (see below), whose sum is σ = 254544576. Its totient is φ = 74759328.

The previous prime is 143513143. The next prime is 143513147. The reversal of 143513145 is 541315341.

It is a happy number.

143513145 is a `hidden beast` number, since 1 + 4 + 3 + 513 + 145 = 666.

143513145 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 (143513143) and next prime (143513147).

It is not a de Polignac number, because 143513145 - 2¹ = 143513143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143513143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35149 + ... + 39018.

It is an arithmetic number, because the mean of its divisors is an integer number (10606024).

Almost surely, 2^143513145 is an apocalyptic number.

143513145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143513145 is a deficient number, since it is larger than the sum of its proper divisors (111031431).

143513145 is a wasteful number, since it uses less digits than its factorization.

143513145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74221 (or 74218 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 143513145 is about 11979.6971998461. The cubic root of 143513145 is about 523.5569076867.

Adding to 143513145 its reverse (541315341), we get a palindrome (684828486).

The spelling of 143513145 in words is "one hundred forty-three million, five hundred thirteen thousand, one hundred forty-five".