945668345 has 16 divisors (see below), whose sum is σ = 1185891840. Its totient is φ = 722572224.

The previous prime is 945668309. The next prime is 945668363. The reversal of 945668345 is 543866549.

It is a cyclic number.

It is not a de Polignac number, because 945668345 - 2⁶ = 945668281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 945668293 and 945668302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76967 + ... + 88403.

It is an arithmetic number, because the mean of its divisors is an integer number (74118240).

Almost surely, 2^945668345 is an apocalyptic number.

It is an amenable number.

945668345 is a deficient number, since it is larger than the sum of its proper divisors (240223495).

945668345 is a wasteful number, since it uses less digits than its factorization.

945668345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12184.

The product of its digits is 3110400, while the sum is 50.

The square root of 945668345 is about 30751.7210087501. The cubic root of 945668345 is about 981.5511825405.

The spelling of 945668345 in words is "nine hundred forty-five million, six hundred sixty-eight thousand, three hundred forty-five".