345649033 has 8 divisors (see below), whose sum is σ = 352636200. Its totient is φ = 338731008.

The previous prime is 345649019. The next prime is 345649069. The reversal of 345649033 is 330946543.

It can be written as a sum of positive squares in 4 ways, for example, as 17749369 + 327899664 = 4213^2 + 18108^2 .

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 345649033 - 2⁹ = 345648521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345648983 and 345649001.

It is not an unprimeable number, because it can be changed into a prime (345649013) 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, 7128 + ... + 27241.

It is an arithmetic number, because the mean of its divisors is an integer number (44079525).

Almost surely, 2^345649033 is an apocalyptic number.

It is an amenable number.

345649033 is a deficient number, since it is larger than the sum of its proper divisors (6987167).

345649033 is a wasteful number, since it uses less digits than its factorization.

345649033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34571.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 345649033 is about 18591.6387927477. The cubic root of 345649033 is about 701.7974438798.

The spelling of 345649033 in words is "three hundred forty-five million, six hundred forty-nine thousand, thirty-three".