2145464454536 has 96 divisors (see below), whose sum is σ = 4395039264000. Its totient is φ = 981357960960.

The previous prime is 2145464454517. The next prime is 2145464454619. The reversal of 2145464454536 is 6354544645412.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 141150665 + ... + 141165863.

It is an arithmetic number, because the mean of its divisors is an integer number (45781659000).

Almost surely, 2^{2145464454536} is an apocalyptic number.

2145464454536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2145464454536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2197519632000).

2145464454536 is an abundant number, since it is smaller than the sum of its proper divisors (2249574809464).

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

2145464454536 is a wasteful number, since it uses less digits than its factorization.

2145464454536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16159 (or 16142 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 53.

The spelling of 2145464454536 in words is "two trillion, one hundred forty-five billion, four hundred sixty-four million, four hundred fifty-four thousand, five hundred thirty-six".