345140267 has 6 divisors (see below), whose sum is σ = 356633964. Its totient is φ = 334005780.

The previous prime is 345140261. The next prime is 345140297. The reversal of 345140267 is 762041543.

It is not a de Polignac number, because 345140267 - 2⁴ = 345140251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345140261) 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 in 5 ways as a sum of consecutive naturals, for example, 178613 + ... + 180534.

It is an arithmetic number, because the mean of its divisors is an integer number (59438994).

Almost surely, 2^345140267 is an apocalyptic number.

345140267 is a deficient number, since it is larger than the sum of its proper divisors (11493697).

345140267 is an equidigital number, since it uses as much as digits as its factorization.

345140267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359209 (or 359178 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 345140267 is about 18577.9510980086. The cubic root of 345140267 is about 701.4529460700.

The spelling of 345140267 in words is "three hundred forty-five million, one hundred forty thousand, two hundred sixty-seven".