2145352655136 has 48 divisors (see below), whose sum is σ = 5962818413664. Its totient is φ = 673051812864.

The previous prime is 2145352655111. The next prime is 2145352655137. The reversal of 2145352655136 is 6315562535412.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2145352655137) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 657275530 + ... + 657278793.

It is an arithmetic number, because the mean of its divisors is an integer number (124225383618).

Almost surely, 2^{2145352655136} is an apocalyptic number.

It is an amenable number.

2145352655136 is an abundant number, since it is smaller than the sum of its proper divisors (3817465758528).

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

2145352655136 is a wasteful number, since it uses less digits than its factorization.

2145352655136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314554353 (or 1314554345 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 2145352655136 in words is "two trillion, one hundred forty-five billion, three hundred fifty-two million, six hundred fifty-five thousand, one hundred thirty-six".