345643001 has 8 divisors (see below), whose sum is σ = 378981504. Its totient is φ = 312623920.

The previous prime is 345642991. The next prime is 345643009. The reversal of 345643001 is 100346543.

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-345643001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345643009) 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, 77585 + ... + 81918.

It is an arithmetic number, because the mean of its divisors is an integer number (47372688).

Almost surely, 2^345643001 is an apocalyptic number.

It is an amenable number.

345643001 is a deficient number, since it is larger than the sum of its proper divisors (33338503).

345643001 is a wasteful number, since it uses less digits than its factorization.

345643001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159711.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 345643001 is about 18591.4765685784. The cubic root of 345643001 is about 701.7933614471.

Adding to 345643001 its reverse (100346543), we get a palindrome (445989544).

It can be divided in two parts, 345 and 643001, that added together give a palindrome (643346).

The spelling of 345643001 in words is "three hundred forty-five million, six hundred forty-three thousand, one".