345903461 has 4 divisors (see below), whose sum is σ = 345986124. Its totient is φ = 345820800.

The previous prime is 345903457. The next prime is 345903469. The reversal of 345903461 is 164309543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164309543 = 109 ⋅1507427.

It can be written as a sum of positive squares in 2 ways, for example, as 318801025 + 27102436 = 17855^2 + 5206^2 .

It is a cyclic number.

It is not a de Polignac number, because 345903461 - 2² = 345903457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345903469) 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 3 ways as a sum of consecutive naturals, for example, 34700 + ... + 43541.

It is an arithmetic number, because the mean of its divisors is an integer number (86496531).

Almost surely, 2^345903461 is an apocalyptic number.

It is an amenable number.

345903461 is a deficient number, since it is larger than the sum of its proper divisors (82663).

345903461 is an equidigital number, since it uses as much as digits as its factorization.

345903461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82662.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 345903461 is about 18598.4800723070. The cubic root of 345903461 is about 701.9695964679.

The spelling of 345903461 in words is "three hundred forty-five million, nine hundred three thousand, four hundred sixty-one".