45547445 has 8 divisors (see below), whose sum is σ = 54963360. Its totient is φ = 36233680.

The previous prime is 45547409. The next prime is 45547451. The reversal of 45547445 is 54474554.

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 45547445 - 2¹² = 45543349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45547399 and 45547408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24551 + ... + 26340.

It is an arithmetic number, because the mean of its divisors is an integer number (6870420).

Almost surely, 2^45547445 is an apocalyptic number.

It is an amenable number.

45547445 is a deficient number, since it is larger than the sum of its proper divisors (9415915).

45547445 is a wasteful number, since it uses less digits than its factorization.

45547445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51075.

The product of its digits is 224000, while the sum is 38.

The square root of 45547445 is about 6748.8847226783. The cubic root of 45547445 is about 357.1258935562.

The spelling of 45547445 in words is "forty-five million, five hundred forty-seven thousand, four hundred forty-five".