45946323521 has 8 divisors (see below), whose sum is σ = 55598912640. Its totient is φ = 37065941568.

The previous prime is 45946323491. The next prime is 45946323523. The reversal of 45946323521 is 12532364954.

It is a happy number.

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

It is not a de Polignac number, because 45946323521 - 2¹⁰ = 45946322497 is a prime.

It is a super-2 number, since 2×45946323521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45946323523) 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, 193051661 + ... + 193051898.

It is an arithmetic number, because the mean of its divisors is an integer number (6949864080).

Almost surely, 2^45946323521 is an apocalyptic number.

It is an amenable number.

45946323521 is a deficient number, since it is larger than the sum of its proper divisors (9652589119).

45946323521 is a wasteful number, since it uses less digits than its factorization.

45946323521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386103583.

The product of its digits is 777600, while the sum is 44.

The spelling of 45946323521 in words is "forty-five billion, nine hundred forty-six million, three hundred twenty-three thousand, five hundred twenty-one".