345001457 has 2 divisors, whose sum is σ = 345001458. Its totient is φ = 345001456.

The previous prime is 345001439. The next prime is 345001463. The reversal of 345001457 is 754100543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284799376 + 60202081 = 16876^2 + 7759^2 .

It is a cyclic number.

It is not a de Polignac number, because 345001457 - 2¹⁰ = 345000433 is a prime.

It is not a weakly prime, because it can be changed into another prime (345001477) 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, 172500728 + 172500729.

It is an arithmetic number, because the mean of its divisors is an integer number (172500729).

Almost surely, 2^345001457 is an apocalyptic number.

It is an amenable number.

345001457 is a deficient number, since it is larger than the sum of its proper divisors (1).

345001457 is an equidigital number, since it uses as much as digits as its factorization.

345001457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 345001457 is about 18574.2148420869. The cubic root of 345001457 is about 701.3588956708.

The spelling of 345001457 in words is "three hundred forty-five million, one thousand, four hundred fifty-seven".