49440146 has 32 divisors (see below), whose sum is σ = 87201792. Its totient is φ = 20584080.

The previous prime is 49440143. The next prime is 49440151. The reversal of 49440146 is 64104494.

49440146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49440143) 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 15 ways as a sum of consecutive naturals, for example, 149201 + ... + 149531.

It is an arithmetic number, because the mean of its divisors is an integer number (2725056).

Almost surely, 2^49440146 is an apocalyptic number.

49440146 is a deficient number, since it is larger than the sum of its proper divisors (37761646).

49440146 is a wasteful number, since it uses less digits than its factorization.

49440146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 49440146 is about 7031.3687145534. The cubic root of 49440146 is about 367.0229724747.

The spelling of 49440146 in words is "forty-nine million, four hundred forty thousand, one hundred forty-six".