2145144045064 has 32 divisors (see below), whose sum is σ = 4028722236000. Its totient is φ = 1070818503552.

The previous prime is 2145144045061. The next prime is 2145144045101. The reversal of 2145144045064 is 4605404415412.

It is a super-3 number, since 3×2145144045064³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2145144045061) 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, 58284652 + ... + 58321444.

It is an arithmetic number, because the mean of its divisors is an integer number (125897569875).

Almost surely, 2^{2145144045064} is an apocalyptic number.

It is an amenable number.

2145144045064 is a deficient number, since it is larger than the sum of its proper divisors (1883578190936).

2145144045064 is a wasteful number, since it uses less digits than its factorization.

2145144045064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48517 (or 48513 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 2145144045064 in words is "two trillion, one hundred forty-five billion, one hundred forty-four million, forty-five thousand, sixty-four".