65750145 has 8 divisors (see below), whose sum is σ = 105200256. Its totient is φ = 35066736.

The previous prime is 65750143. The next prime is 65750149. The reversal of 65750145 is 54105756.

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

It is not a de Polignac number, because 65750145 - 2¹ = 65750143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65750143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191657 + ... + 2191686.

It is an arithmetic number, because the mean of its divisors is an integer number (13150032).

Almost surely, 2^65750145 is an apocalyptic number.

It is an amenable number.

65750145 is a deficient number, since it is larger than the sum of its proper divisors (39450111).

65750145 is a wasteful number, since it uses less digits than its factorization.

65750145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383351.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 65750145 is about 8108.6463111915. The cubic root of 65750145 is about 403.6133955589.

The spelling of 65750145 in words is "sixty-five million, seven hundred fifty thousand, one hundred forty-five".