65207145 has 16 divisors (see below), whose sum is σ = 109823040. Its totient is φ = 32946624.

The previous prime is 65207099. The next prime is 65207159. The reversal of 65207145 is 54170256.

It is not a de Polignac number, because 65207145 - 2⁶ = 65207081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114114 + ... + 114683.

It is an arithmetic number, because the mean of its divisors is an integer number (6863940).

Almost surely, 2^65207145 is an apocalyptic number.

It is an amenable number.

65207145 is a deficient number, since it is larger than the sum of its proper divisors (44615895).

65207145 is a wasteful number, since it uses less digits than its factorization.

65207145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228824.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 65207145 is about 8075.0941170986. The cubic root of 65207145 is about 402.4992374251.

The spelling of 65207145 in words is "sixty-five million, two hundred seven thousand, one hundred forty-five".