305244141 has 16 divisors (see below), whose sum is σ = 410417280. Its totient is φ = 201790400.

The previous prime is 305244133. The next prime is 305244157. The reversal of 305244141 is 141442503.

It is a cyclic number.

It is not a de Polignac number, because 305244141 - 2³ = 305244133 is a prime.

It is a super-2 number, since 2×305244141² = 186347971229655762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305244241) 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, 363400 + ... + 364238.

It is an arithmetic number, because the mean of its divisors is an integer number (25651080).

Almost surely, 2^305244141 is an apocalyptic number.

It is an amenable number.

305244141 is a deficient number, since it is larger than the sum of its proper divisors (105173139).

305244141 is a wasteful number, since it uses less digits than its factorization.

305244141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 305244141 is about 17471.2375348743. The cubic root of 305244141 is about 673.3111073004.

Adding to 305244141 its reverse (141442503), we get a palindrome (446686644).

The spelling of 305244141 in words is "three hundred five million, two hundred forty-four thousand, one hundred forty-one".