312355145 has 16 divisors (see below), whose sum is σ = 385801920. Its totient is φ = 242670144.

The previous prime is 312355081. The next prime is 312355159. The reversal of 312355145 is 541553213.

It is a cyclic number.

It is not a de Polignac number, because 312355145 - 2⁶ = 312355081 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 18107 + ... + 30863.

It is an arithmetic number, because the mean of its divisors is an integer number (24112620).

Almost surely, 2^312355145 is an apocalyptic number.

It is an amenable number.

312355145 is a deficient number, since it is larger than the sum of its proper divisors (73446775).

312355145 is a wasteful number, since it uses less digits than its factorization.

312355145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12904.

The product of its digits is 9000, while the sum is 29.

The square root of 312355145 is about 17673.5719366516. The cubic root of 312355145 is about 678.4995354199.

The spelling of 312355145 in words is "three hundred twelve million, three hundred fifty-five thousand, one hundred forty-five".