345945601 has 4 divisors (see below), whose sum is σ = 345984304. Its totient is φ = 345906900.

The previous prime is 345945557. The next prime is 345945629. The reversal of 345945601 is 106549543.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 106549543 = 8923 ⋅11941.

It is a cyclic number.

It is not a de Polignac number, because 345945601 - 2¹¹ = 345943553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345945641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 26356.

It is an arithmetic number, because the mean of its divisors is an integer number (86496076).

Almost surely, 2^345945601 is an apocalyptic number.

It is an amenable number.

345945601 is a deficient number, since it is larger than the sum of its proper divisors (38703).

345945601 is a wasteful number, since it uses less digits than its factorization.

345945601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38702.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 345945601 is about 18599.6129260799. The cubic root of 345945601 is about 701.9981013360.

The spelling of 345945601 in words is "three hundred forty-five million, nine hundred forty-five thousand, six hundred one".