302144109 has 16 divisors (see below), whose sum is σ = 414285120. Its totient is φ = 195730560.

The previous prime is 302144081. The next prime is 302144113. The reversal of 302144109 is 901441203.

It is not a de Polignac number, because 302144109 - 2²⁰ = 301095533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302144189) 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, 124114 + ... + 126524.

It is an arithmetic number, because the mean of its divisors is an integer number (25892820).

Almost surely, 2^302144109 is an apocalyptic number.

It is an amenable number.

302144109 is a deficient number, since it is larger than the sum of its proper divisors (112141011).

302144109 is a wasteful number, since it uses less digits than its factorization.

302144109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 302144109 is about 17382.2929730229. The cubic root of 302144109 is about 671.0239848155.

It can be divided in two parts, 302144 and 109, that added together give a triangular number (302253 = T₇₇₇).

The spelling of 302144109 in words is "three hundred two million, one hundred forty-four thousand, one hundred nine".