345146747 has 8 divisors (see below), whose sum is σ = 377715312. Its totient is φ = 312776800.

The previous prime is 345146743. The next prime is 345146771. The reversal of 345146747 is 747641543.

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 345146747 - 2² = 345146743 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345146743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46004 + ... + 52977.

It is an arithmetic number, because the mean of its divisors is an integer number (47214414).

Almost surely, 2^345146747 is an apocalyptic number.

345146747 is a deficient number, since it is larger than the sum of its proper divisors (32568565).

345146747 is a wasteful number, since it uses less digits than its factorization.

345146747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99309.

The product of its digits is 282240, while the sum is 41.

The square root of 345146747 is about 18578.1254974769. The cubic root of 345146747 is about 701.4573359632.

The spelling of 345146747 in words is "three hundred forty-five million, one hundred forty-six thousand, seven hundred forty-seven".