151265165 has 4 divisors (see below), whose sum is σ = 181518204. Its totient is φ = 121012128.

The previous prime is 151265161. The next prime is 151265197. The reversal of 151265165 is 561562151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 561562151 = 9649 ⋅58199.

It can be written as a sum of positive squares in 2 ways, for example, as 107889769 + 43375396 = 10387^2 + 6586^2 .

It is a cyclic number.

It is not a de Polignac number, because 151265165 - 2² = 151265161 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151265161) 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, 15126512 + ... + 15126521.

It is an arithmetic number, because the mean of its divisors is an integer number (45379551).

Almost surely, 2^151265165 is an apocalyptic number.

It is an amenable number.

151265165 is a deficient number, since it is larger than the sum of its proper divisors (30253039).

151265165 is an equidigital number, since it uses as much as digits as its factorization.

151265165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30253038.

The product of its digits is 9000, while the sum is 32.

The square root of 151265165 is about 12298.9904057203. The cubic root of 151265165 is about 532.8189247942.

The spelling of 151265165 in words is "one hundred fifty-one million, two hundred sixty-five thousand, one hundred sixty-five".