345047133 has 8 divisors (see below), whose sum is σ = 475927200. Its totient is φ = 222099248.

The previous prime is 345047123. The next prime is 345047141. The reversal of 345047133 is 331740543.

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 345047133 - 2⁴ = 345047117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345047133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345047123) 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, 1982943 + ... + 1983116.

It is an arithmetic number, because the mean of its divisors is an integer number (59490900).

Almost surely, 2^345047133 is an apocalyptic number.

It is an amenable number.

345047133 is a deficient number, since it is larger than the sum of its proper divisors (130880067).

345047133 is a wasteful number, since it uses less digits than its factorization.

345047133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966091.

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 345047133 is about 18575.4443553849. Note that the first 3 decimals coincide. The cubic root of 345047133 is about 701.3898461249.

Adding to 345047133 its reverse (331740543), we get a palindrome (676787676).

The spelling of 345047133 in words is "three hundred forty-five million, forty-seven thousand, one hundred thirty-three".