1002145053451 has 4 divisors (see below), whose sum is σ = 1002369905352. Its totient is φ = 1001920201552.

The previous prime is 1002145053433. The next prime is 1002145053457. The reversal of 1002145053451 is 1543505412001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002145053451 - 2⁹ = 1002145052939 is a prime.

It is a super-3 number, since 3×1002145053451³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002145053457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112419265 + ... + 112428178.

It is an arithmetic number, because the mean of its divisors is an integer number (250592476338).

Almost surely, 2^{1002145053451} is an apocalyptic number.

1002145053451 is a deficient number, since it is larger than the sum of its proper divisors (224851901).

1002145053451 is an equidigital number, since it uses as much as digits as its factorization.

1002145053451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224851900.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 1002145053451 in words is "one trillion, two billion, one hundred forty-five million, fifty-three thousand, four hundred fifty-one".