2144135545452 has 36 divisors (see below), whose sum is σ = 5420506404040. Its totient is φ = 714631643712.

The previous prime is 2144135545439. The next prime is 2144135545459. The reversal of 2144135545452 is 2545455314412.

2144135545452 is a `hidden beast` number, since 2 + 1 + 4 + 41 + 3 + 554 + 5 + 4 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2144135545398 and 2144135545407.

It is not an unprimeable number, because it can be changed into a prime (2144135545459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3016177 + ... + 3658632.

Almost surely, 2^{2144135545452} is an apocalyptic number.

It is an amenable number.

2144135545452 is an abundant number, since it is smaller than the sum of its proper divisors (3276370858588).

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

2144135545452 is a wasteful number, since it uses less digits than its factorization.

2144135545452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6683742 (or 6683737 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 2144135545452 in words is "two trillion, one hundred forty-four billion, one hundred thirty-five million, five hundred forty-five thousand, four hundred fifty-two".