345140015 has 8 divisors (see below), whose sum is σ = 451819728. Its totient is φ = 251010880.

The previous prime is 345139969. The next prime is 345140027. The reversal of 345140015 is 510041543.

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

It is not a de Polignac number, because 345140015 - 2¹² = 345135919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3137582 + ... + 3137691.

It is an arithmetic number, because the mean of its divisors is an integer number (56477466).

Almost surely, 2^345140015 is an apocalyptic number.

345140015 is a deficient number, since it is larger than the sum of its proper divisors (106679713).

345140015 is a wasteful number, since it uses less digits than its factorization.

345140015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6275289.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 345140015 is about 18577.9443157740. The cubic root of 345140015 is about 701.4527753509.

Adding to 345140015 its reverse (510041543), we get a palindrome (855181558).

The spelling of 345140015 in words is "three hundred forty-five million, one hundred forty thousand, fifteen".