2145645265002 has 32 divisors (see below), whose sum is σ = 4559364288000. Its totient is φ = 671239734768.

The previous prime is 2145645264937. The next prime is 2145645265051. The reversal of 2145645265002 is 2005625465412.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87938502 + ... + 87962897.

It is an arithmetic number, because the mean of its divisors is an integer number (142480134000).

Almost surely, 2^{2145645265002} is an apocalyptic number.

2145645265002 is an abundant number, since it is smaller than the sum of its proper divisors (2413719022998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145645265002 is a wasteful number, since it uses less digits than its factorization.

2145645265002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175901530.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 2145645265002 in words is "two trillion, one hundred forty-five billion, six hundred forty-five million, two hundred sixty-five thousand, two".