10045254442 has 4 divisors (see below), whose sum is σ = 15067881666. Its totient is φ = 5022627220.

The previous prime is 10045254437. The next prime is 10045254449. The reversal of 10045254442 is 24445254001.

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

It can be written as a sum of positive squares in only one way, i.e., 6492975241 + 3552279201 = 80579^2 + 59601^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10045254449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511313609 + ... + 2511313612.

Almost surely, 2^10045254442 is an apocalyptic number.

10045254442 is a deficient number, since it is larger than the sum of its proper divisors (5022627224).

10045254442 is an equidigital number, since it uses as much as digits as its factorization.

10045254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022627223.

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 10045254442 in words is "ten billion, forty-five million, two hundred fifty-four thousand, four hundred forty-two".