1002001200145 has 8 divisors (see below), whose sum is σ = 1311710662080. Its totient is φ = 728728145520.

The previous prime is 1002001200143. The next prime is 1002001200217. The reversal of 1002001200145 is 5410021002001.

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

It is not a de Polignac number, because 1002001200145 - 2¹ = 1002001200143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002001200143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9109101765 + ... + 9109101874.

It is an arithmetic number, because the mean of its divisors is an integer number (163963832760).

Almost surely, 2^{1002001200145} is an apocalyptic number.

It is an amenable number.

1002001200145 is a deficient number, since it is larger than the sum of its proper divisors (309709461935).

1002001200145 is a wasteful number, since it uses less digits than its factorization.

1002001200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18218203655.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1002001200145 its reverse (5410021002001), we get a palindrome (6412022202146).

The spelling of 1002001200145 in words is "one trillion, two billion, one million, two hundred thousand, one hundred forty-five".