345662441 has 4 divisors (see below), whose sum is σ = 347472384. Its totient is φ = 343852500.

The previous prime is 345662437. The next prime is 345662453. The reversal of 345662441 is 144266543.

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: 144266543 = 809 ⋅178327.

It is a cyclic number.

It is not a de Polignac number, because 345662441 - 2² = 345662437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (345662491) 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, 904685 + ... + 905066.

It is an arithmetic number, because the mean of its divisors is an integer number (86868096).

Almost surely, 2^345662441 is an apocalyptic number.

It is an amenable number.

345662441 is a deficient number, since it is larger than the sum of its proper divisors (1809943).

345662441 is a wasteful number, since it uses less digits than its factorization.

345662441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809942.

The product of its digits is 69120, while the sum is 35.

The square root of 345662441 is about 18591.9993814544. Note that the first 3 decimals coincide. The cubic root of 345662441 is about 701.8065181889.

The spelling of 345662441 in words is "three hundred forty-five million, six hundred sixty-two thousand, four hundred forty-one".