145011506065 has 4 divisors (see below), whose sum is σ = 174013807284. Its totient is φ = 116009204848.

The previous prime is 145011506063. The next prime is 145011506077. The reversal of 145011506065 is 560605110541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79514412289 + 65497093776 = 281983^2 + 255924^2 .

It is a cyclic number.

It is not a de Polignac number, because 145011506065 - 2¹ = 145011506063 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 145011506065.

It is not an unprimeable number, because it can be changed into a prime (145011506063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14501150602 + ... + 14501150611.

It is an arithmetic number, because the mean of its divisors is an integer number (43503451821).

Almost surely, 2^145011506065 is an apocalyptic number.

It is an amenable number.

145011506065 is a deficient number, since it is larger than the sum of its proper divisors (29002301219).

145011506065 is an equidigital number, since it uses as much as digits as its factorization.

145011506065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29002301218.

The product of its (nonzero) digits is 18000, while the sum is 34.

The spelling of 145011506065 in words is "one hundred forty-five billion, eleven million, five hundred six thousand, sixty-five".