354745 has 4 divisors (see below), whose sum is σ = 425700. Its totient is φ = 283792.

The previous prime is 354743. The next prime is 354751. The reversal of 354745 is 547453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197136 + 157609 = 444^2 + 397^2 .

It is a cyclic number.

It is not a de Polignac number, because 354745 - 2¹ = 354743 is a prime.

It is an Ulam number.

354745 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (354743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35470 + ... + 35479.

It is an arithmetic number, because the mean of its divisors is an integer number (106425).

2³⁵⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

354745 is a deficient number, since it is larger than the sum of its proper divisors (70955).

354745 is an equidigital number, since it uses as much as digits as its factorization.

354745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70954.

The product of its digits is 8400, while the sum is 28.

The square root of 354745 is about 595.6047347025. The cubic root of 354745 is about 70.7900296641.

The spelling of 354745 in words is "three hundred fifty-four thousand, seven hundred forty-five".