345501 has 12 divisors (see below), whose sum is σ = 537628. Its totient is φ = 212544.

The previous prime is 345487. The next prime is 345511. The reversal of 345501 is 105543.

It can be written as a sum of positive squares in 2 ways, for example, as 164025 + 181476 = 405^2 + 426^2 .

It is not a de Polignac number, because 345501 - 2¹⁸ = 83357 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345501.

It is not an unprimeable number, because it can be changed into a prime (345511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1360 + ... + 1593.

2³⁴⁵⁵⁰¹ is an apocalyptic number.

It is an amenable number.

345501 is a deficient number, since it is larger than the sum of its proper divisors (192127).

345501 is a wasteful number, since it uses less digits than its factorization.

345501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2969 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 345501 is about 587.7933310272. The cubic root of 345501 is about 70.1697242032.

It can be divided in two parts, 3 and 45501, that multiplied together give a triangular number (136503 = T₅₂₂).

The spelling of 345501 in words is "three hundred forty-five thousand, five hundred one".