445503013442 has 8 divisors (see below), whose sum is σ = 668741235516. Its totient is φ = 222589268272.

The previous prime is 445503013441. The next prime is 445503013457. The reversal of 445503013442 is 244310305544.

It can be written as a sum of positive squares in 2 ways, for example, as 392390740921 + 53112272521 = 626411^2 + 230461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (445503013441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81115793 + ... + 81121284.

Almost surely, 2^445503013442 is an apocalyptic number.

445503013442 is a deficient number, since it is larger than the sum of its proper divisors (223238222074).

445503013442 is a wasteful number, since it uses less digits than its factorization.

445503013442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162238452.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 445503013442 its reverse (244310305544), we get a palindrome (689813318986).

The spelling of 445503013442 in words is "four hundred forty-five billion, five hundred three million, thirteen thousand, four hundred forty-two".