47199145 has 8 divisors (see below), whose sum is σ = 64730304. Its totient is φ = 32365104.

The previous prime is 47199073. The next prime is 47199149. The reversal of 47199145 is 54199174.

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 47199145 - 2¹³ = 47190953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47199098 and 47199107.

It is not an unprimeable number, because it can be changed into a prime (47199149) 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, 674239 + ... + 674308.

It is an arithmetic number, because the mean of its divisors is an integer number (8091288).

Almost surely, 2^47199145 is an apocalyptic number.

It is an amenable number.

47199145 is a deficient number, since it is larger than the sum of its proper divisors (17531159).

47199145 is a wasteful number, since it uses less digits than its factorization.

47199145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348559.

The product of its digits is 45360, while the sum is 40.

The square root of 47199145 is about 6870.1633896145. The cubic root of 47199145 is about 361.3915917065.

The spelling of 47199145 in words is "forty-seven million, one hundred ninety-nine thousand, one hundred forty-five".