345312355 has 16 divisors (see below), whose sum is σ = 417813984. Its totient is φ = 273968640.

The previous prime is 345312329. The next prime is 345312371. The reversal of 345312355 is 553213543.

It is not a de Polignac number, because 345312355 - 2⁵ = 345312323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391515 + ... + 392395.

It is an arithmetic number, because the mean of its divisors is an integer number (26113374).

Almost surely, 2^345312355 is an apocalyptic number.

345312355 is a deficient number, since it is larger than the sum of its proper divisors (72501629).

345312355 is a wasteful number, since it uses less digits than its factorization.

345312355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446.

The product of its digits is 27000, while the sum is 31.

The square root of 345312355 is about 18582.5820326455. The cubic root of 345312355 is about 701.5695088990.

Adding to 345312355 its reverse (553213543), we get a palindrome (898525898).

The spelling of 345312355 in words is "three hundred forty-five million, three hundred twelve thousand, three hundred fifty-five".