345147869 has 8 divisors (see below), whose sum is σ = 381683712. Its totient is φ = 309471840.

The previous prime is 345147851. The next prime is 345147871. The reversal of 345147869 is 968741543.

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-345147869 is a prime.

It is a super-2 number, since 2×345147869² = 238254102950482322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345147809) 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, 214109 + ... + 215714.

It is an arithmetic number, because the mean of its divisors is an integer number (47710464).

Almost surely, 2^345147869 is an apocalyptic number.

It is an amenable number.

345147869 is a deficient number, since it is larger than the sum of its proper divisors (36535843).

345147869 is a wasteful number, since it uses less digits than its factorization.

345147869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429907.

The product of its digits is 725760, while the sum is 47.

The square root of 345147869 is about 18578.1556942556. The cubic root of 345147869 is about 701.4580960594.

The spelling of 345147869 in words is "three hundred forty-five million, one hundred forty-seven thousand, eight hundred sixty-nine".