345235481 has 4 divisors (see below), whose sum is σ = 351749412. Its totient is φ = 338721552.

The previous prime is 345235477. The next prime is 345235483. The reversal of 345235481 is 184532543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 184532543 = 13 ⋅14194811.

It can be written as a sum of positive squares in 2 ways, for example, as 152275600 + 192959881 = 12340^2 + 13891^2 .

It is a cyclic number.

It is not a de Polignac number, because 345235481 - 2² = 345235477 is a prime.

It is a super-2 number, since 2×345235481² = 238375074682602722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345235483) 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, 3256886 + ... + 3256991.

It is an arithmetic number, because the mean of its divisors is an integer number (87937353).

Almost surely, 2^345235481 is an apocalyptic number.

It is an amenable number.

345235481 is a deficient number, since it is larger than the sum of its proper divisors (6513931).

345235481 is an equidigital number, since it uses as much as digits as its factorization.

345235481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6513930.

The product of its digits is 57600, while the sum is 35.

The square root of 345235481 is about 18580.5134751438. The cubic root of 345235481 is about 701.5174435189.

It can be divided in two parts, 34523 and 5481, that added together give a palindrome (40004).

The spelling of 345235481 in words is "three hundred forty-five million, two hundred thirty-five thousand, four hundred eighty-one".