45003444257 has 8 divisors (see below), whose sum is σ = 45245932032. Its totient is φ = 44761028400.

The previous prime is 45003444209. The next prime is 45003444307. The reversal of 45003444257 is 75244430054.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45003444257 - 2²⁰ = 45002395681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45003444257.

It is not an unprimeable number, because it can be changed into a prime (45003444757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649507 + ... + 1676567.

It is an arithmetic number, because the mean of its divisors is an integer number (5655741504).

Almost surely, 2^45003444257 is an apocalyptic number.

It is an amenable number.

45003444257 is a deficient number, since it is larger than the sum of its proper divisors (242487775).

45003444257 is a wasteful number, since it uses less digits than its factorization.

45003444257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35959.

The product of its (nonzero) digits is 268800, while the sum is 38.

The spelling of 45003444257 in words is "forty-five billion, three million, four hundred forty-four thousand, two hundred fifty-seven".