65274145 has 16 divisors (see below), whose sum is σ = 79752960. Its totient is φ = 51277824.

The previous prime is 65274137. The next prime is 65274151. The reversal of 65274145 is 54147256.

It is a cyclic number.

It is not a de Polignac number, because 65274145 - 2³ = 65274137 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 65274145.

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, 101194 + ... + 101836.

It is an arithmetic number, because the mean of its divisors is an integer number (4984560).

Almost surely, 2^65274145 is an apocalyptic number.

It is an amenable number.

65274145 is a deficient number, since it is larger than the sum of its proper divisors (14478815).

65274145 is a wasteful number, since it uses less digits than its factorization.

65274145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its digits is 33600, while the sum is 34.

The square root of 65274145 is about 8079.2416104483. The cubic root of 65274145 is about 402.6370455230.

The spelling of 65274145 in words is "sixty-five million, two hundred seventy-four thousand, one hundred forty-five".