345046057 has 2 divisors, whose sum is σ = 345046058. Its totient is φ = 345046056.

The previous prime is 345046049. The next prime is 345046067. The reversal of 345046057 is 750640543.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283956201 + 61089856 = 16851^2 + 7816^2 .

It is a cyclic number.

It is not a de Polignac number, because 345046057 - 2³ = 345046049 is a prime.

It is not a weakly prime, because it can be changed into another prime (345046067) by changing a digit.

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 as a sum of consecutive naturals, namely, 172523028 + 172523029.

It is an arithmetic number, because the mean of its divisors is an integer number (172523029).

Almost surely, 2^345046057 is an apocalyptic number.

It is an amenable number.

345046057 is a deficient number, since it is larger than the sum of its proper divisors (1).

345046057 is an equidigital number, since it uses as much as digits as its factorization.

345046057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 345046057 is about 18575.4153923943. The cubic root of 345046057 is about 701.3891170493.

The spelling of 345046057 in words is "three hundred forty-five million, forty-six thousand, fifty-seven".