45545541331 has 4 divisors (see below), whose sum is σ = 45562419000. Its totient is φ = 45528663664.

The previous prime is 45545541319. The next prime is 45545541389. The reversal of 45545541331 is 13314554554.

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 45545541331 - 2⁷ = 45545541203 is a prime.

It is a super-2 number, since 2×45545541331² (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 (45545548331) 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, 8434786 + ... + 8440183.

It is an arithmetic number, because the mean of its divisors is an integer number (11390604750).

Almost surely, 2^45545541331 is an apocalyptic number.

45545541331 is a deficient number, since it is larger than the sum of its proper divisors (16877669).

45545541331 is a wasteful number, since it uses less digits than its factorization.

45545541331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16877668.

The product of its digits is 360000, while the sum is 40.

The spelling of 45545541331 in words is "forty-five billion, five hundred forty-five million, five hundred forty-one thousand, three hundred thirty-one".