612304845 has 16 divisors (see below), whose sum is σ = 981052800. Its totient is φ = 326107584.

The previous prime is 612304841. The next prime is 612304853. The reversal of 612304845 is 548403216.

It is not a de Polignac number, because 612304845 - 2² = 612304841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612304841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17170 + ... + 38979.

It is an arithmetic number, because the mean of its divisors is an integer number (61315800).

Almost surely, 2^612304845 is an apocalyptic number.

It is an amenable number.

612304845 is a deficient number, since it is larger than the sum of its proper divisors (368747955).

612304845 is a wasteful number, since it uses less digits than its factorization.

612304845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56884.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 612304845 is about 24744.7943010242. The cubic root of 612304845 is about 849.1594204523.

The spelling of 612304845 in words is "six hundred twelve million, three hundred four thousand, eight hundred forty-five".