10181575445 has 4 divisors (see below), whose sum is σ = 12217890540. Its totient is φ = 8145260352.

The previous prime is 10181575373. The next prime is 10181575483. The reversal of 10181575445 is 54457518101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7527471121 + 2654104324 = 86761^2 + 51518^2 .

It is a cyclic number.

It is not a de Polignac number, because 10181575445 - 2¹⁴ = 10181559061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018157540 + ... + 1018157549.

It is an arithmetic number, because the mean of its divisors is an integer number (3054472635).

Almost surely, 2^10181575445 is an apocalyptic number.

It is an amenable number.

10181575445 is a deficient number, since it is larger than the sum of its proper divisors (2036315095).

10181575445 is an equidigital number, since it uses as much as digits as its factorization.

10181575445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036315094.

The product of its (nonzero) digits is 112000, while the sum is 41.

The spelling of 10181575445 in words is "ten billion, one hundred eighty-one million, five hundred seventy-five thousand, four hundred forty-five".