45388147 has 8 divisors (see below), whose sum is σ = 54923616. Its totient is φ = 36615552.

The previous prime is 45388139. The next prime is 45388157. The reversal of 45388147 is 74188354.

45388147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45388147 - 2³ = 45388139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45388127) 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 7 ways as a sum of consecutive naturals, for example, 190588 + ... + 190825.

It is an arithmetic number, because the mean of its divisors is an integer number (6865452).

Almost surely, 2^45388147 is an apocalyptic number.

45388147 is a deficient number, since it is larger than the sum of its proper divisors (9535469).

45388147 is a wasteful number, since it uses less digits than its factorization.

45388147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381437.

The product of its digits is 107520, while the sum is 40.

The square root of 45388147 is about 6737.0725838453. The cubic root of 45388147 is about 356.7090689197.

The spelling of 45388147 in words is "forty-five million, three hundred eighty-eight thousand, one hundred forty-seven".