345566141 has 4 divisors (see below), whose sum is σ = 345717984. Its totient is φ = 345414300.

The previous prime is 345566131. The next prime is 345566149. The reversal of 345566141 is 141665543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141665543 = 1789 ⋅79187.

It is a cyclic number.

It is not a de Polignac number, because 345566141 - 2⁶ = 345566077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345566149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72455 + ... + 77076.

It is an arithmetic number, because the mean of its divisors is an integer number (86429496).

Almost surely, 2^345566141 is an apocalyptic number.

It is an amenable number.

345566141 is a deficient number, since it is larger than the sum of its proper divisors (151843).

345566141 is a wasteful number, since it uses less digits than its factorization.

345566141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151842.

The product of its digits is 43200, while the sum is 35.

The square root of 345566141 is about 18589.4093773847. The cubic root of 345566141 is about 701.7413387567.

It can be divided in two parts, 3455 and 66141, that added together give a palindrome (69596).

The spelling of 345566141 in words is "three hundred forty-five million, five hundred sixty-six thousand, one hundred forty-one".