65106945 has 24 divisors (see below), whose sum is σ = 115479936. Its totient is φ = 33915168.

The previous prime is 65106941. The next prime is 65106959. The reversal of 65106945 is 54960156.

It is not a de Polignac number, because 65106945 - 2² = 65106941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65106941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14889 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (4811664).

Almost surely, 2^65106945 is an apocalyptic number.

It is an amenable number.

65106945 is a deficient number, since it is larger than the sum of its proper divisors (50372991).

65106945 is a wasteful number, since it uses less digits than its factorization.

65106945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33701 (or 33698 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 65106945 is about 8068.8874697817. The cubic root of 65106945 is about 402.2929660671.

The spelling of 65106945 in words is "sixty-five million, one hundred six thousand, nine hundred forty-five".