1002144015 has 32 divisors (see below), whose sum is σ = 1783008000. Its totient is φ = 534051360.

The previous prime is 1002144007. The next prime is 1002144019. The reversal of 1002144015 is 5104412001.

It is not a de Polignac number, because 1002144015 - 2³ = 1002144007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002144019) 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 31 ways as a sum of consecutive naturals, for example, 242436 + ... + 246534.

It is an arithmetic number, because the mean of its divisors is an integer number (55719000).

Almost surely, 2^1002144015 is an apocalyptic number.

1002144015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1002144015 is a deficient number, since it is larger than the sum of its proper divisors (780863985).

1002144015 is a wasteful number, since it uses less digits than its factorization.

1002144015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5924 (or 5918 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1002144015 is about 31656.6583043757. The cubic root of 1002144015 is about 1000.7141615186.

Adding to 1002144015 its reverse (5104412001), we get a palindrome (6106556016).

The spelling of 1002144015 in words is "one billion, two million, one hundred forty-four thousand, fifteen".