345542633 has 4 divisors (see below), whose sum is σ = 348064980. Its totient is φ = 343020288.

The previous prime is 345542599. The next prime is 345542657. The reversal of 345542633 is 336245543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167133184 + 178409449 = 12928^2 + 13357^2 .

It is a cyclic number.

It is not a de Polignac number, because 345542633 - 2¹² = 345538537 is a prime.

It is a super-2 number, since 2×345542633² = 238799422441145378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345542593 and 345542602.

It is not an unprimeable number, because it can be changed into a prime (345542693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260968 + ... + 1261241.

It is an arithmetic number, because the mean of its divisors is an integer number (87016245).

Almost surely, 2^345542633 is an apocalyptic number.

It is an amenable number.

345542633 is a deficient number, since it is larger than the sum of its proper divisors (2522347).

345542633 is a wasteful number, since it uses less digits than its factorization.

345542633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522346.

The product of its digits is 129600, while the sum is 35.

The square root of 345542633 is about 18588.7770711255. Note that the first 3 decimals coincide. The cubic root of 345542633 is about 701.7254258267.

The spelling of 345542633 in words is "three hundred forty-five million, five hundred forty-two thousand, six hundred thirty-three".