2145144045051 has 36 divisors (see below), whose sum is σ = 3640113167184. Its totient is φ = 1213659972000.

The previous prime is 2145144045047. The next prime is 2145144045061. The reversal of 2145144045051 is 1505404415412.

2145144045051 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 144 + 0 + 4 + 505 + 1 = 666.

It is not a de Polignac number, because 2145144045051 - 2² = 2145144045047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2145144044997 and 2145144045015.

It is not an unprimeable number, because it can be changed into a prime (2145144045001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24036015 + ... + 24125096.

It is an arithmetic number, because the mean of its divisors is an integer number (101114254644).

Almost surely, 2^{2145144045051} is an apocalyptic number.

2145144045051 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2145144045051 is a deficient number, since it is larger than the sum of its proper divisors (1494969122133).

2145144045051 is a wasteful number, since it uses less digits than its factorization.

2145144045051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48161232 (or 48161222 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 2145144045051 in words is "two trillion, one hundred forty-five billion, one hundred forty-four million, forty-five thousand, fifty-one".