2145144045016 has 32 divisors (see below), whose sum is σ = 4796595383040. Its totient is φ = 879375819168.

The previous prime is 2145144045001. The next prime is 2145144045041. The reversal of 2145144045016 is 6105404415412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832740966 + ... + 832743541.

It is an arithmetic number, because the mean of its divisors is an integer number (149893605720).

Almost surely, 2^{2145144045016} is an apocalyptic number.

It is an amenable number.

2145144045016 is an abundant number, since it is smaller than the sum of its proper divisors (2651451338024).

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

2145144045016 is a wasteful number, since it uses less digits than its factorization.

2145144045016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665484543 (or 1665484539 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 2145144045016 in words is "two trillion, one hundred forty-five billion, one hundred forty-four million, forty-five thousand, sixteen".