145563634044 has 36 divisors (see below), whose sum is σ = 368094767040. Its totient is φ = 48502453440.

The previous prime is 145563634039. The next prime is 145563634061. The reversal of 145563634044 is 440436365541.

145563634044 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 6 + 3 + 634 + 0 + 4 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 687009 + ... + 873560.

It is an arithmetic number, because the mean of its divisors is an integer number (10224854640).

Almost surely, 2^145563634044 is an apocalyptic number.

It is an amenable number.

145563634044 is an abundant number, since it is smaller than the sum of its proper divisors (222531132996).

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

145563634044 is a wasteful number, since it uses less digits than its factorization.

145563634044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563170 (or 1563165 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 145563634044 its reverse (440436365541), we get a palindrome (585999999585).

The spelling of 145563634044 in words is "one hundred forty-five billion, five hundred sixty-three million, six hundred thirty-four thousand, forty-four".