305351142 has 16 divisors (see below), whose sum is σ = 611072832. Its totient is φ = 101721960.

The previous prime is 305351069. The next prime is 305351171. The reversal of 305351142 is 241153503.

It is a congruent 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, 4084 + ... + 25047.

It is an arithmetic number, because the mean of its divisors is an integer number (38192052).

Almost surely, 2^305351142 is an apocalyptic number.

305351142 is an abundant number, since it is smaller than the sum of its proper divisors (305721690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305351142 is a wasteful number, since it uses less digits than its factorization.

305351142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30883.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 305351142 is about 17474.2994709373. The cubic root of 305351142 is about 673.3897727963.

The spelling of 305351142 in words is "three hundred five million, three hundred fifty-one thousand, one hundred forty-two".