45731446187 has 8 divisors (see below), whose sum is σ = 52268215296. Its totient is φ = 39195603432.

The previous prime is 45731446091. The next prime is 45731446219. The reversal of 45731446187 is 78164413754.

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 45731446187 - 2⁸ = 45731445931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45731440187) 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, 122363 + ... + 326244.

It is an arithmetic number, because the mean of its divisors is an integer number (6533526912).

Almost surely, 2^45731446187 is an apocalyptic number.

45731446187 is a deficient number, since it is larger than the sum of its proper divisors (6536769109).

45731446187 is a wasteful number, since it uses less digits than its factorization.

45731446187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463177.

The product of its digits is 2257920, while the sum is 50.

The spelling of 45731446187 in words is "forty-five billion, seven hundred thirty-one million, four hundred forty-six thousand, one hundred eighty-seven".