345503426 has 8 divisors (see below), whose sum is σ = 523386684. Its totient is φ = 171041200.

The previous prime is 345503423. The next prime is 345503471. The reversal of 345503426 is 624305543.

It can be written as a sum of positive squares in 2 ways, for example, as 343546225 + 1957201 = 18535^2 + 1399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 345503392 and 345503401.

It is not an unprimeable number, because it can be changed into a prime (345503423) 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, 855005 + ... + 855408.

Almost surely, 2^345503426 is an apocalyptic number.

345503426 is a deficient number, since it is larger than the sum of its proper divisors (177883258).

345503426 is a wasteful number, since it uses less digits than its factorization.

345503426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710516.

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 345503426 is about 18587.7224532754. The cubic root of 345503426 is about 701.6988843942.

Adding to 345503426 its reverse (624305543), we get a palindrome (969808969).

The spelling of 345503426 in words is "three hundred forty-five million, five hundred three thousand, four hundred twenty-six".