143630913 has 8 divisors (see below), whose sum is σ = 196178976. Its totient is φ = 93418400.

The previous prime is 143630911. The next prime is 143630917. The reversal of 143630913 is 319036341.

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 143630913 - 2¹ = 143630911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (143630911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583743 + ... + 583988.

It is an arithmetic number, because the mean of its divisors is an integer number (24522372).

Almost surely, 2^143630913 is an apocalyptic number.

It is an amenable number.

143630913 is a deficient number, since it is larger than the sum of its proper divisors (52548063).

143630913 is a wasteful number, since it uses less digits than its factorization.

143630913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167775.

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 143630913 is about 11984.6115080965. The cubic root of 143630913 is about 523.7000801509.

The spelling of 143630913 in words is "one hundred forty-three million, six hundred thirty thousand, nine hundred thirteen".