345146332061 has 4 divisors (see below), whose sum is σ = 353564535324. Its totient is φ = 336728128800.

The previous prime is 345146332031. The next prime is 345146332163. The reversal of 345146332061 is 160233641543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160233641543 = 73 ⋅2194981391.

It can be written as a sum of positive squares in 2 ways, for example, as 186802026436 + 158344305625 = 432206^2 + 397925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345146332061 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 (345146332031) 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, 4209101570 + ... + 4209101651.

It is an arithmetic number, because the mean of its divisors is an integer number (88391133831).

Almost surely, 2^345146332061 is an apocalyptic number.

It is an amenable number.

345146332061 is a deficient number, since it is larger than the sum of its proper divisors (8418203263).

345146332061 is an equidigital number, since it uses as much as digits as its factorization.

345146332061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8418203262.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 345146332061 in words is "three hundred forty-five billion, one hundred forty-six million, three hundred thirty-two thousand, sixty-one".