45405347 has 4 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 41912616.

The previous prime is 45405341. The next prime is 45405361. The reversal of 45405347 is 74350454.

45405347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74350454 = 2 ⋅37175227.

It is a cyclic number.

It is not a de Polignac number, because 45405347 - 2⁸ = 45405091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45405341) 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, 1746347 + ... + 1746372.

It is an arithmetic number, because the mean of its divisors is an integer number (12224520).

Almost surely, 2^45405347 is an apocalyptic number.

45405347 is a deficient number, since it is larger than the sum of its proper divisors (3492733).

45405347 is a wasteful number, since it uses less digits than its factorization.

45405347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3492732.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 45405347 is about 6738.3489817610. The cubic root of 45405347 is about 356.7541219533.

The spelling of 45405347 in words is "forty-five million, four hundred five thousand, three hundred forty-seven".