45471745 has 8 divisors (see below), whose sum is σ = 59526720. Its totient is φ = 33070320.

The previous prime is 45471743. The next prime is 45471749. The reversal of 45471745 is 54717454.

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

It is not a de Polignac number, because 45471745 - 2¹ = 45471743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45471743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413325 + ... + 413434.

It is an arithmetic number, because the mean of its divisors is an integer number (7440840).

Almost surely, 2^45471745 is an apocalyptic number.

It is an amenable number.

45471745 is a deficient number, since it is larger than the sum of its proper divisors (14054975).

45471745 is a wasteful number, since it uses less digits than its factorization.

45471745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826775.

The product of its digits is 78400, while the sum is 37.

The square root of 45471745 is about 6743.2740564210. The cubic root of 45471745 is about 356.9279357191.

The spelling of 45471745 in words is "forty-five million, four hundred seventy-one thousand, seven hundred forty-five".