345042053 has 8 divisors (see below), whose sum is σ = 349291800. Its totient is φ = 340800768.

The previous prime is 345042017. The next prime is 345042077. The reversal of 345042053 is 350240543.

It can be written as a sum of positive squares in 4 ways, for example, as 30228004 + 314814049 = 5498^2 + 17743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345042053 - 2¹⁰ = 345041029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345042083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125825 + ... + 128537.

It is an arithmetic number, because the mean of its divisors is an integer number (43661475).

Almost surely, 2^345042053 is an apocalyptic number.

It is an amenable number.

345042053 is a deficient number, since it is larger than the sum of its proper divisors (4249747).

345042053 is a wasteful number, since it uses less digits than its factorization.

345042053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4231.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 345042053 is about 18575.3076152187. The cubic root of 345042053 is about 701.3864040078.

Adding to 345042053 its reverse (350240543), we get a palindrome (695282596).

The spelling of 345042053 in words is "three hundred forty-five million, forty-two thousand, fifty-three".