143045513 has 8 divisors (see below), whose sum is σ = 155085000. Its totient is φ = 131154048.

The previous prime is 143045489. The next prime is 143045543. The reversal of 143045513 is 315540341.

It can be written as a sum of positive squares in 4 ways, for example, as 5968249 + 137077264 = 2443^2 + 11708^2 .

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 143045513 - 2⁶ = 143045449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143045543) 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, 34988 + ... + 38861.

It is an arithmetic number, because the mean of its divisors is an integer number (19385625).

Almost surely, 2^143045513 is an apocalyptic number.

143045513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143045513 is a deficient number, since it is larger than the sum of its proper divisors (12039487).

143045513 is a wasteful number, since it uses less digits than its factorization.

143045513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74011.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 143045513 is about 11960.1635858378. The cubic root of 143045513 is about 522.9876256384.

Adding to 143045513 its reverse (315540341), we get a palindrome (458585854).

The spelling of 143045513 in words is "one hundred forty-three million, forty-five thousand, five hundred thirteen".