1002150021454 has 16 divisors (see below), whose sum is σ = 1625514931008. Its totient is φ = 461565966592.

The previous prime is 1002150021451. The next prime is 1002150021503. The reversal of 1002150021454 is 4541200512001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002150021451) 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, 313562239 + ... + 313565434.

It is an arithmetic number, because the mean of its divisors is an integer number (101594683188).

Almost surely, 2^{1002150021454} is an apocalyptic number.

1002150021454 is a deficient number, since it is larger than the sum of its proper divisors (623364909554).

1002150021454 is a wasteful number, since it uses less digits than its factorization.

1002150021454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627127739.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1002150021454 its reverse (4541200512001), we get a palindrome (5543350533455).

The spelling of 1002150021454 in words is "one trillion, two billion, one hundred fifty million, twenty-one thousand, four hundred fifty-four".