2145335457641 has 8 divisors (see below), whose sum is σ = 2153367254304. Its totient is φ = 2137318550080.

The previous prime is 2145335457563. The next prime is 2145335457649. The reversal of 2145335457641 is 1467545335412.

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

It is a cyclic number.

It is not a de Polignac number, because 2145335457641 - 2¹⁰ = 2145335456617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2145335457641.

It is not an unprimeable number, because it can be changed into a prime (2145335457649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3433520 + ... + 4009953.

It is an arithmetic number, because the mean of its divisors is an integer number (269170906788).

Almost surely, 2^{2145335457641} is an apocalyptic number.

It is an amenable number.

2145335457641 is a deficient number, since it is larger than the sum of its proper divisors (8031796663).

2145335457641 is an equidigital number, since it uses as much as digits as its factorization.

2145335457641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7444551.

The product of its digits is 6048000, while the sum is 50.

The spelling of 2145335457641 in words is "two trillion, one hundred forty-five billion, three hundred thirty-five million, four hundred fifty-seven thousand, six hundred forty-one".