345140299 has 8 divisors (see below), whose sum is σ = 395432928. Its totient is φ = 295094400.

The previous prime is 345140297. The next prime is 345140303. The reversal of 345140299 is 992041543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345140299 - 2¹ = 345140297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345140297) 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 7 ways as a sum of consecutive naturals, for example, 58672 + ... + 64285.

It is an arithmetic number, because the mean of its divisors is an integer number (49429116).

Almost surely, 2^345140299 is an apocalyptic number.

345140299 is a deficient number, since it is larger than the sum of its proper divisors (50292629).

345140299 is a wasteful number, since it uses less digits than its factorization.

345140299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123365.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 345140299 is about 18577.9519592446. The cubic root of 345140299 is about 701.4529677487.

The spelling of 345140299 in words is "three hundred forty-five million, one hundred forty thousand, two hundred ninety-nine".