354340145 has 4 divisors (see below), whose sum is σ = 425208180. Its totient is φ = 283472112.

The previous prime is 354340141. The next prime is 354340159. The reversal of 354340145 is 541043453.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541043453 = 353 ⋅1532701.

It can be written as a sum of positive squares in 2 ways, for example, as 163430656 + 190909489 = 12784^2 + 13817^2 .

It is a cyclic number.

It is not a de Polignac number, because 354340145 - 2² = 354340141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (354340141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35434010 + ... + 35434019.

It is an arithmetic number, because the mean of its divisors is an integer number (106302045).

Almost surely, 2^354340145 is an apocalyptic number.

It is an amenable number.

354340145 is a deficient number, since it is larger than the sum of its proper divisors (70868035).

354340145 is an equidigital number, since it uses as much as digits as its factorization.

354340145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70868034.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 354340145 is about 18823.9248032922. The cubic root of 354340145 is about 707.6308955498.

Adding to 354340145 its reverse (541043453), we get a palindrome (895383598).

The spelling of 354340145 in words is "three hundred fifty-four million, three hundred forty thousand, one hundred forty-five".