2015001145 has 8 divisors (see below), whose sum is σ = 2418274440. Its totient is φ = 1611818880.

The previous prime is 2015001137. The next prime is 2015001151. The reversal of 2015001145 is 5411005102.

It can be written as a sum of positive squares in 4 ways, for example, as 175191696 + 1839809449 = 13236^2 + 42893^2 .

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

It is not a de Polignac number, because 2015001145 - 2³ = 2015001137 is a prime.

It is a super-2 number, since 2×2015001145² = 8120459228702622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43471 + ... + 76939.

It is an arithmetic number, because the mean of its divisors is an integer number (302284305).

Almost surely, 2^2015001145 is an apocalyptic number.

It is an amenable number.

2015001145 is a deficient number, since it is larger than the sum of its proper divisors (403273295).

2015001145 is a wasteful number, since it uses less digits than its factorization.

2015001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45515.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2015001145 is about 44888.7641286770. The cubic root of 2015001145 is about 1263.0632499005.

Adding to 2015001145 its reverse (5411005102), we get a palindrome (7426006247).

The spelling of 2015001145 in words is "two billion, fifteen million, one thousand, one hundred forty-five".