145454534223633 has 6 divisors (see below), whose sum is σ = 210100993878594. Its totient is φ = 96969689482416.

The previous prime is 145454534223613. The next prime is 145454534223637. The reversal of 145454534223633 is 336322435454541.

145454534223633 is a `hidden beast` number, since 1 + 4 + 5 + 4 + 54 + 534 + 2 + 23 + 6 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74741436867969 + 70713097355664 = 8645313^2 + 8409108^2 .

It is not a de Polignac number, because 145454534223633 - 2⁸ = 145454534223377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145454534223633.

It is not an unprimeable number, because it can be changed into a prime (145454534223637) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8080807456860 + ... + 8080807456877.

It is an arithmetic number, because the mean of its divisors is an integer number (35016832313099).

Almost surely, 2^{145454534223633} is an apocalyptic number.

It is an amenable number.

145454534223633 is a deficient number, since it is larger than the sum of its proper divisors (64646459654961).

145454534223633 is a wasteful number, since it uses less digits than its factorization.

145454534223633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16161614913743 (or 16161614913740 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 54.

The spelling of 145454534223633 in words is "one hundred forty-five trillion, four hundred fifty-four billion, five hundred thirty-four million, two hundred twenty-three thousand, six hundred thirty-three".