65464045 has 4 divisors (see below), whose sum is σ = 78556860. Its totient is φ = 52371232.

The previous prime is 65464043. The next prime is 65464051. The reversal of 65464045 is 54046456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8219689 + 57244356 = 2867^2 + 7566^2 .

It is a cyclic number.

It is not a de Polignac number, because 65464045 - 2¹ = 65464043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65464045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65464043) 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, 6546400 + ... + 6546409.

It is an arithmetic number, because the mean of its divisors is an integer number (19639215).

Almost surely, 2^65464045 is an apocalyptic number.

It is an amenable number.

65464045 is a deficient number, since it is larger than the sum of its proper divisors (13092815).

65464045 is a wasteful number, since it uses less digits than its factorization.

65464045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13092814.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 65464045 is about 8090.9854158811. The cubic root of 65464045 is about 403.0271272124.

The spelling of 65464045 in words is "sixty-five million, four hundred sixty-four thousand, forty-five".