47162145 has 8 divisors (see below), whose sum is σ = 75459456. Its totient is φ = 25153136.

The previous prime is 47162119. The next prime is 47162153. The reversal of 47162145 is 54126174.

47162145 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 a cyclic number.

It is not a de Polignac number, because 47162145 - 2⁶ = 47162081 is a prime.

It is an unprimeable number.

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, 1572057 + ... + 1572086.

It is an arithmetic number, because the mean of its divisors is an integer number (9432432).

Almost surely, 2^47162145 is an apocalyptic number.

It is an amenable number.

47162145 is a deficient number, since it is larger than the sum of its proper divisors (28297311).

47162145 is a wasteful number, since it uses less digits than its factorization.

47162145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144151.

The product of its digits is 6720, while the sum is 30.

The square root of 47162145 is about 6867.4700581801. The cubic root of 47162145 is about 361.2971338906.

The spelling of 47162145 in words is "forty-seven million, one hundred sixty-two thousand, one hundred forty-five".