2301502145 has 4 divisors (see below), whose sum is σ = 2761802580. Its totient is φ = 1841201712.

The previous prime is 2301502111. The next prime is 2301502169. The reversal of 2301502145 is 5412051032.

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 254211136 + 2047291009 = 15944^2 + 45247^2 .

It is a cyclic number.

It is not a de Polignac number, because 2301502145 - 2¹⁴ = 2301485761 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2301502145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230150210 + ... + 230150219.

It is an arithmetic number, because the mean of its divisors is an integer number (690450645).

Almost surely, 2^2301502145 is an apocalyptic number.

It is an amenable number.

2301502145 is a deficient number, since it is larger than the sum of its proper divisors (460300435).

2301502145 is an equidigital number, since it uses as much as digits as its factorization.

2301502145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460300434.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2301502145 is about 47973.9736211209. The cubic root of 2301502145 is about 1320.2934274602.

Adding to 2301502145 its reverse (5412051032), we get a palindrome (7713553177).

The spelling of 2301502145 in words is "two billion, three hundred one million, five hundred two thousand, one hundred forty-five".