65152645 has 8 divisors (see below), whose sum is σ = 78682104. Its totient is φ = 51789504.

The previous prime is 65152627. The next prime is 65152657. The reversal of 65152645 is 54625156.

65152645 = 2548² + 2549² + ... + 2557².

It can be written as a sum of positive squares in 4 ways, for example, as 5461569 + 59691076 = 2337^2 + 7726^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65152645 - 2⁹ = 65152133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65152645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40714 + ... + 42283.

It is an arithmetic number, because the mean of its divisors is an integer number (9835263).

Almost surely, 2^65152645 is an apocalyptic number.

It is an amenable number.

65152645 is a deficient number, since it is larger than the sum of its proper divisors (13529459).

65152645 is a wasteful number, since it uses less digits than its factorization.

65152645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83159.

The product of its digits is 36000, while the sum is 34.

The square root of 65152645 is about 8071.7188380171. The cubic root of 65152645 is about 402.3870701532.

The spelling of 65152645 in words is "sixty-five million, one hundred fifty-two thousand, six hundred forty-five".