354645 has 32 divisors (see below), whose sum is σ = 656640. Its totient is φ = 181440.

The previous prime is 354643. The next prime is 354647. The reversal of 354645 is 546453.

It is an interprime number because it is at equal distance from previous prime (354643) and next prime (354647).

It is not a de Polignac number, because 354645 - 2¹ = 354643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 4.

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 354645.

It is not an unprimeable number, because it can be changed into a prime (354643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4960 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (20520).

2³⁵⁴⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

354645 is a deficient number, since it is larger than the sum of its proper divisors (301995).

354645 is a wasteful number, since it uses less digits than its factorization.

354645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 116 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 354645 is about 595.5207804938. The cubic root of 354645 is about 70.7833773099.

It can be divided in two parts, 354 and 645, that added together give a palindrome (999).

The spelling of 354645 in words is "three hundred fifty-four thousand, six hundred forty-five".