305149994 has 16 divisors (see below), whose sum is σ = 482193600. Its totient is φ = 144431424.

The previous prime is 305149961. The next prime is 305150009. The reversal of 305149994 is 499941503.

It is a happy 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, 65267 + ... + 69785.

It is an arithmetic number, because the mean of its divisors is an integer number (30137100).

Almost surely, 2^305149994 is an apocalyptic number.

305149994 is a deficient number, since it is larger than the sum of its proper divisors (177043606).

305149994 is a wasteful number, since it uses less digits than its factorization.

305149994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6317.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 305149994 is about 17468.5429844621. The cubic root of 305149994 is about 673.2418766632.

The spelling of 305149994 in words is "three hundred five million, one hundred forty-nine thousand, nine hundred ninety-four".