305752042 has 8 divisors (see below), whose sum is σ = 466401600. Its totient is φ = 150284844.

The previous prime is 305752037. The next prime is 305752067. The reversal of 305752042 is 240257503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×305752042² = 186968622374339528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 305752042.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295442 + ... + 1295677.

It is an arithmetic number, because the mean of its divisors is an integer number (58300200).

Almost surely, 2^305752042 is an apocalyptic number.

305752042 is a deficient number, since it is larger than the sum of its proper divisors (160649558).

305752042 is a wasteful number, since it uses less digits than its factorization.

305752042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591180.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 305752042 is about 17485.7668404906. The cubic root of 305752042 is about 673.6843450261.

The spelling of 305752042 in words is "three hundred five million, seven hundred fifty-two thousand, forty-two".