345305104 has 10 divisors (see below), whose sum is σ = 669028670. Its totient is φ = 172652544.

The previous prime is 345305101. The next prime is 345305113. The reversal of 345305104 is 401503543.

It can be written as a sum of positive squares in only one way, i.e., 341510400 + 3794704 = 18480^2 + 1948^2 .

It is a super-2 number, since 2×345305104² = 238471229696901632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345305101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10790769 + ... + 10790800.

It is an arithmetic number, because the mean of its divisors is an integer number (66902867).

Almost surely, 2^345305104 is an apocalyptic number.

It is an amenable number.

345305104 is a deficient number, since it is larger than the sum of its proper divisors (323723566).

345305104 is a wasteful number, since it uses less digits than its factorization.

345305104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21581577 (or 21581571 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 345305104 is about 18582.3869295632. The cubic root of 345305104 is about 701.5645982570.

Adding to 345305104 its reverse (401503543), we get a palindrome (746808647).

The spelling of 345305104 in words is "three hundred forty-five million, three hundred five thousand, one hundred four".