65309045 has 16 divisors (see below), whose sum is σ = 80688960. Its totient is φ = 50717184.

The previous prime is 65309039. The next prime is 65309051. The reversal of 65309045 is 54090356.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65309039) and next prime (65309051).

It is a cyclic number.

It is not a de Polignac number, because 65309045 - 2⁶ = 65308981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37637 + ... + 39333.

It is an arithmetic number, because the mean of its divisors is an integer number (5043060).

Almost surely, 2^65309045 is an apocalyptic number.

It is an amenable number.

65309045 is a deficient number, since it is larger than the sum of its proper divisors (15379915).

65309045 is a wasteful number, since it uses less digits than its factorization.

65309045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 65309045 is about 8081.4011780136. The cubic root of 65309045 is about 402.7087917928.

The spelling of 65309045 in words is "sixty-five million, three hundred nine thousand, forty-five".