305457434 has 16 divisors (see below), whose sum is σ = 483485760. Its totient is φ = 144444960.

The previous prime is 305457413. The next prime is 305457443. The reversal of 305457434 is 434754503.

It is a junction number, because it is equal to n+sod(n) for n = 305457394 and 305457403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33212 + ... + 41399.

It is an arithmetic number, because the mean of its divisors is an integer number (30217860).

Almost surely, 2^305457434 is an apocalyptic number.

305457434 is a deficient number, since it is larger than the sum of its proper divisors (178028326).

305457434 is a wasteful number, since it uses less digits than its factorization.

305457434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74725.

The product of its (nonzero) digits is 100800, while the sum is 35.

The square root of 305457434 is about 17477.3405871717. The cubic root of 305457434 is about 673.4678988533.

The spelling of 305457434 in words is "three hundred five million, four hundred fifty-seven thousand, four hundred thirty-four".