65155146 has 32 divisors (see below), whose sum is σ = 149205888. Its totient is φ = 18580800.

The previous prime is 65155133. The next prime is 65155163. The reversal of 65155146 is 64155156.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 28336 + ... + 30548.

It is an arithmetic number, because the mean of its divisors is an integer number (4662684).

Almost surely, 2^65155146 is an apocalyptic number.

65155146 is an abundant number, since it is smaller than the sum of its proper divisors (84050742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65155146 is a wasteful number, since it uses less digits than its factorization.

65155146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its digits is 18000, while the sum is 33.

The square root of 65155146 is about 8071.8737601625. The cubic root of 65155146 is about 402.3922188681.

The spelling of 65155146 in words is "sixty-five million, one hundred fifty-five thousand, one hundred forty-six".