1505265145 has 8 divisors (see below), whose sum is σ = 1806528456. Its totient is φ = 1204071936.

The previous prime is 1505265143. The next prime is 1505265161. The reversal of 1505265145 is 5415625051.

It can be written as a sum of positive squares in 4 ways, for example, as 93083904 + 1412181241 = 9648^2 + 37579^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1505265145 - 2¹ = 1505265143 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 1505265145.

It is not an unprimeable number, because it can be changed into a prime (1505265143) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 65379 + ... + 85351.

It is an arithmetic number, because the mean of its divisors is an integer number (225816057).

Almost surely, 2^1505265145 is an apocalyptic number.

It is an amenable number.

1505265145 is a deficient number, since it is larger than the sum of its proper divisors (301263311).

1505265145 is a wasteful number, since it uses less digits than its factorization.

1505265145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35051.

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 1505265145 is about 38797.7466484846. The cubic root of 1505265145 is about 1146.0520310655.

The spelling of 1505265145 in words is "one billion, five hundred five million, two hundred sixty-five thousand, one hundred forty-five".