64105545 has 32 divisors (see below), whose sum is σ = 118886400. Its totient is φ = 28889280.

The previous prime is 64105537. The next prime is 64105583. The reversal of 64105545 is 54550146.

It is not a de Polignac number, because 64105545 - 2³ = 64105537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3156 + ... + 11754.

It is an arithmetic number, because the mean of its divisors is an integer number (3715200).

Almost surely, 2^64105545 is an apocalyptic number.

It is an amenable number.

64105545 is a deficient number, since it is larger than the sum of its proper divisors (54780855).

64105545 is a wasteful number, since it uses less digits than its factorization.

64105545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 64105545 is about 8006.5938450754. The cubic root of 64105545 is about 400.2197646533.

The spelling of 64105545 in words is "sixty-four million, one hundred five thousand, five hundred forty-five".