1000156002 has 32 divisors (see below), whose sum is σ = 2191017600. Its totient is φ = 302953728.

The previous prime is 1000155997. The next prime is 1000156043. The reversal of 1000156002 is 2006510001.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 166102 + ... + 172017.

It is an arithmetic number, because the mean of its divisors is an integer number (68469300).

Almost surely, 2^1000156002 is an apocalyptic number.

1000156002 is an abundant number, since it is smaller than the sum of its proper divisors (1190861598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1000156002 is a wasteful number, since it uses less digits than its factorization.

1000156002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338170.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1000156002 is about 31625.2431136901. The cubic root of 1000156002 is about 1000.0519979628.

Adding to 1000156002 its reverse (2006510001), we get a palindrome (3006666003).

The spelling of 1000156002 in words is "one billion, one hundred fifty-six thousand, two".