143030901 has 16 divisors (see below), whose sum is σ = 205599296. Its totient is φ = 87924096.

The previous prime is 143030897. The next prime is 143030933. The reversal of 143030901 is 109030341.

143030901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143030901 - 2² = 143030897 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143030501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56601 + ... + 59073.

It is an arithmetic number, because the mean of its divisors is an integer number (12849956).

Almost surely, 2^143030901 is an apocalyptic number.

It is an amenable number.

143030901 is a deficient number, since it is larger than the sum of its proper divisors (62568395).

143030901 is a wasteful number, since it uses less digits than its factorization.

143030901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 143030901 is about 11959.5527090272. The cubic root of 143030901 is about 522.9698174242.

The spelling of 143030901 in words is "one hundred forty-three million, thirty thousand, nine hundred one".