52645145146443 has 8 divisors (see below), whose sum is σ = 77992807624400. Its totient is φ = 35096763430944.

The previous prime is 52645145146423. The next prime is 52645145146481. The reversal of 52645145146443 is 34464154154625.

52645145146443 is a `hidden beast` number, since 5 + 2 + 6 + 4 + 51 + 4 + 5 + 146 + 443 = 666.

It is not a de Polignac number, because 52645145146443 - 2²⁰ = 52645144097867 is a prime.

It is a super-2 number, since 2×52645145146443² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52645145146443.

It is not an unprimeable number, because it can be changed into a prime (52645145146403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 974910095278 + ... + 974910095331.

It is an arithmetic number, because the mean of its divisors is an integer number (9749100953050).

Almost surely, 2^{52645145146443} is an apocalyptic number.

52645145146443 is a deficient number, since it is larger than the sum of its proper divisors (25347662477957).

52645145146443 is a wasteful number, since it uses less digits than its factorization.

52645145146443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949820190618 (or 1949820190612 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 54.

The spelling of 52645145146443 in words is "fifty-two trillion, six hundred forty-five billion, one hundred forty-five million, one hundred forty-six thousand, four hundred forty-three".