45237620415439 has 4 divisors (see below), whose sum is σ = 45239364172656. Its totient is φ = 45235876658224.

The previous prime is 45237620415389. The next prime is 45237620415451. The reversal of 45237620415439 is 93451402673254.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45237620415439 - 2³¹ = 45235472931791 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 45237620415439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45237620415839) 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, 871839694 + ... + 871891579.

It is an arithmetic number, because the mean of its divisors is an integer number (11309841043164).

Almost surely, 2^{45237620415439} is an apocalyptic number.

45237620415439 is a deficient number, since it is larger than the sum of its proper divisors (1743757217).

45237620415439 is a wasteful number, since it uses less digits than its factorization.

45237620415439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743757216.

The product of its (nonzero) digits is 21772800, while the sum is 55.

The spelling of 45237620415439 in words is "forty-five trillion, two hundred thirty-seven billion, six hundred twenty million, four hundred fifteen thousand, four hundred thirty-nine".