47040146 has 8 divisors (see below), whose sum is σ = 72993420. Its totient is φ = 22709008.

The previous prime is 47040131. The next prime is 47040157. The reversal of 47040146 is 64104074.

47040146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44823025 + 2217121 = 6695^2 + 1489^2 .

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 405461 + ... + 405576.

Almost surely, 2^47040146 is an apocalyptic number.

47040146 is a deficient number, since it is larger than the sum of its proper divisors (25953274).

47040146 is a wasteful number, since it uses less digits than its factorization.

47040146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811068.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 47040146 is about 6858.5819234008. The cubic root of 47040146 is about 360.9853304966.

The spelling of 47040146 in words is "forty-seven million, forty thousand, one hundred forty-six".