345356481 has 16 divisors (see below), whose sum is σ = 465454080. Its totient is φ = 227760720.

The previous prime is 345356449. The next prime is 345356497. The reversal of 345356481 is 184653543.

It is not a de Polignac number, because 345356481 - 2⁵ = 345356449 is a prime.

It is a super-2 number, since 2×345356481² = 238542197937406722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345356381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128356 + ... + 131018.

It is an arithmetic number, because the mean of its divisors is an integer number (29090880).

Almost surely, 2^345356481 is an apocalyptic number.

It is an amenable number.

345356481 is a deficient number, since it is larger than the sum of its proper divisors (120097599).

345356481 is a wasteful number, since it uses less digits than its factorization.

345356481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116.

The product of its digits is 172800, while the sum is 39.

The square root of 345356481 is about 18583.7692893557. The cubic root of 345356481 is about 701.5993911560.

The spelling of 345356481 in words is "three hundred forty-five million, three hundred fifty-six thousand, four hundred eighty-one".