305142875 has 8 divisors (see below), whose sum is σ = 380818464. Its totient is φ = 244114200.

The previous prime is 305142853. The next prime is 305142883. The reversal of 305142875 is 578241503.

It is a happy number.

It is not a de Polignac number, because 305142875 - 2⁸ = 305142619 is a prime.

It is a super-2 number, since 2×305142875² = 186224348326531250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220447 + ... + 1220696.

It is an arithmetic number, because the mean of its divisors is an integer number (47602308).

Almost surely, 2^305142875 is an apocalyptic number.

305142875 is a deficient number, since it is larger than the sum of its proper divisors (75675589).

305142875 is an equidigital number, since it uses as much as digits as its factorization.

305142875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441158 (or 2441148 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 305142875 is about 17468.3392169948. The cubic root of 305142875 is about 673.2366411547.

It can be divided in two parts, 3051428 and 75, that added together give a palindrome (3051503).

The spelling of 305142875 in words is "three hundred five million, one hundred forty-two thousand, eight hundred seventy-five".