65145294 has 12 divisors (see below), whose sum is σ = 141148176. Its totient is φ = 21715092.

The previous prime is 65145287. The next prime is 65145299. The reversal of 65145294 is 49254156.

65145294 is a `hidden beast` number, since 6 + 514 + 52 + 94 = 666.

65145294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65145299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1809574 + ... + 1809609.

It is an arithmetic number, because the mean of its divisors is an integer number (11762348).

Almost surely, 2^65145294 is an apocalyptic number.

65145294 is an abundant number, since it is smaller than the sum of its proper divisors (76002882).

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

65145294 is a wasteful number, since it uses less digits than its factorization.

65145294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619191 (or 3619188 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 65145294 is about 8071.2634698664. The cubic root of 65145294 is about 402.3719361623.

The spelling of 65145294 in words is "sixty-five million, one hundred forty-five thousand, two hundred ninety-four".