345146425 has 24 divisors (see below), whose sum is σ = 461836760. Its totient is φ = 254361600.

The previous prime is 345146387. The next prime is 345146437. The reversal of 345146425 is 524641543.

It can be written as a sum of positive squares in 12 ways, for example, as 180203776 + 164942649 = 13424^2 + 12843^2 .

It is not a de Polignac number, because 345146425 - 2⁷ = 345146297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249235 + ... + 250615.

Almost surely, 2^345146425 is an apocalyptic number.

It is an amenable number.

345146425 is a deficient number, since it is larger than the sum of its proper divisors (116690335).

345146425 is a wasteful number, since it uses less digits than its factorization.

345146425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173 (or 2168 counting only the distinct ones).

The product of its digits is 57600, while the sum is 34.

The square root of 345146425 is about 18578.1168313691. The cubic root of 345146425 is about 701.4571178247.

Adding to 345146425 its reverse (524641543), we get a palindrome (869787968).

The spelling of 345146425 in words is "three hundred forty-five million, one hundred forty-six thousand, four hundred twenty-five".