345051515 has 8 divisors (see below), whose sum is σ = 417041520. Its totient is φ = 274054752.

The previous prime is 345051491. The next prime is 345051517. The reversal of 345051515 is 515150543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345051515 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345051517) 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, 247544 + ... + 248933.

It is an arithmetic number, because the mean of its divisors is an integer number (52130190).

Almost surely, 2^345051515 is an apocalyptic number.

345051515 is a deficient number, since it is larger than the sum of its proper divisors (71990005).

345051515 is a wasteful number, since it uses less digits than its factorization.

345051515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496621.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 345051515 is about 18575.5623064283. The cubic root of 345051515 is about 701.3928152625.

The spelling of 345051515 in words is "three hundred forty-five million, fifty-one thousand, five hundred fifteen".