45347143681 has 4 divisors (see below), whose sum is σ = 51825307072. Its totient is φ = 38868980292.

The previous prime is 45347143679. The next prime is 45347143711. The reversal of 45347143681 is 18634174354.

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 45347143681 - 2¹ = 45347143679 is a prime.

It is a super-2 number, since 2×45347143681² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45347143651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3239081685 + ... + 3239081698.

It is an arithmetic number, because the mean of its divisors is an integer number (12956326768).

Almost surely, 2^45347143681 is an apocalyptic number.

It is an amenable number.

45347143681 is a deficient number, since it is larger than the sum of its proper divisors (6478163391).

45347143681 is an equidigital number, since it uses as much as digits as its factorization.

45347143681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6478163390.

The product of its digits is 967680, while the sum is 46.

The spelling of 45347143681 in words is "forty-five billion, three hundred forty-seven million, one hundred forty-three thousand, six hundred eighty-one".