1002151453243 has 4 divisors (see below), whose sum is σ = 1002166401888. Its totient is φ = 1002136504600.

The previous prime is 1002151453231. The next prime is 1002151453297. The reversal of 1002151453243 is 3423541512001.

1002151453243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002151453243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002151453643) 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, 7373308 + ... + 7507993.

It is an arithmetic number, because the mean of its divisors is an integer number (250541600472).

Almost surely, 2^{1002151453243} is an apocalyptic number.

1002151453243 is a deficient number, since it is larger than the sum of its proper divisors (14948645).

1002151453243 is an equidigital number, since it uses as much as digits as its factorization.

1002151453243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14948644.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1002151453243 its reverse (3423541512001), we get a palindrome (4425692965244).

The spelling of 1002151453243 in words is "one trillion, two billion, one hundred fifty-one million, four hundred fifty-three thousand, two hundred forty-three".