345026446 has 4 divisors (see below), whose sum is σ = 517539672. Its totient is φ = 172513222.

The previous prime is 345026419. The next prime is 345026447. The reversal of 345026446 is 644620543.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345026447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86256610 + ... + 86256613.

It is an arithmetic number, because the mean of its divisors is an integer number (129384918).

Almost surely, 2^345026446 is an apocalyptic number.

345026446 is a deficient number, since it is larger than the sum of its proper divisors (172513226).

345026446 is a wasteful number, since it uses less digits than its factorization.

345026446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172513225.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 345026446 is about 18574.8875097536. The cubic root of 345026446 is about 701.3758287725.

Adding to 345026446 its reverse (644620543), we get a palindrome (989646989).

The spelling of 345026446 in words is "three hundred forty-five million, twenty-six thousand, four hundred forty-six".