47425145 has 8 divisors (see below), whose sum is σ = 56957256. Its totient is φ = 37908736.

The previous prime is 47425141. The next prime is 47425181. The reversal of 47425145 is 54152474.

It can be written as a sum of positive squares in 4 ways, for example, as 11377129 + 36048016 = 3373^2 + 6004^2 .

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 47425145 - 2² = 47425141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47425141) 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, 4289 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (7119657).

Almost surely, 2^47425145 is an apocalyptic number.

It is an amenable number.

47425145 is a deficient number, since it is larger than the sum of its proper divisors (9532111).

47425145 is a wasteful number, since it uses less digits than its factorization.

47425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7851.

The product of its digits is 22400, while the sum is 32.

The square root of 47425145 is about 6886.5916823927. The cubic root of 47425145 is about 361.9674812827.

The spelling of 47425145 in words is "forty-seven million, four hundred twenty-five thousand, one hundred forty-five".