445137013 has 4 divisors (see below), whose sum is σ = 449297280. Its totient is φ = 440976748.

The previous prime is 445137001. The next prime is 445137023. The reversal of 445137013 is 310731544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445137013 - 2²⁵ = 411582581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445137023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2079973 + ... + 2080186.

It is an arithmetic number, because the mean of its divisors is an integer number (112324320).

Almost surely, 2^445137013 is an apocalyptic number.

It is an amenable number.

445137013 is a deficient number, since it is larger than the sum of its proper divisors (4160267).

445137013 is a wasteful number, since it uses less digits than its factorization.

445137013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160266.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 445137013 is about 21098.2703793463. The cubic root of 445137013 is about 763.5390191929.

Adding to 445137013 its reverse (310731544), we get a palindrome (755868557).

The spelling of 445137013 in words is "four hundred forty-five million, one hundred thirty-seven thousand, thirteen".