2145150015 has 32 divisors (see below), whose sum is σ = 3662807040. Its totient is φ = 1068286464.

The previous prime is 2145150013. The next prime is 2145150019. The reversal of 2145150015 is 5100515412.

It is not a de Polignac number, because 2145150015 - 2¹ = 2145150013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145150013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 735 + ... + 65504.

It is an arithmetic number, because the mean of its divisors is an integer number (114462720).

Almost surely, 2^2145150015 is an apocalyptic number.

2145150015 is a deficient number, since it is larger than the sum of its proper divisors (1517657025).

2145150015 is a wasteful number, since it uses less digits than its factorization.

2145150015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66391.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2145150015 is about 46315.7642169489. The cubic root of 2145150015 is about 1289.6916545644.

Adding to 2145150015 its reverse (5100515412), we get a palindrome (7245665427).

The spelling of 2145150015 in words is "two billion, one hundred forty-five million, one hundred fifty thousand, fifteen".