143005145 has 8 divisors (see below), whose sum is σ = 179067456. Its totient is φ = 109429936.

The previous prime is 143005123. The next prime is 143005151. The reversal of 143005145 is 541500341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 143005145 - 2¹⁴ = 142988761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 143005145.

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, 621647 + ... + 621876.

It is an arithmetic number, because the mean of its divisors is an integer number (22383432).

Almost surely, 2^143005145 is an apocalyptic number.

It is an amenable number.

143005145 is a deficient number, since it is larger than the sum of its proper divisors (36062311).

143005145 is a wasteful number, since it uses less digits than its factorization.

143005145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243551.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 143005145 is about 11958.4758644235. The cubic root of 143005145 is about 522.9384246294.

Adding to 143005145 its reverse (541500341), we get a palindrome (684505486).

The spelling of 143005145 in words is "one hundred forty-three million, five thousand, one hundred forty-five".