49140146 has 16 divisors (see below), whose sum is σ = 83006208. Its totient is φ = 21615600.

The previous prime is 49140127. The next prime is 49140151. The reversal of 49140146 is 64104194.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35345 + ... + 36708.

It is an arithmetic number, because the mean of its divisors is an integer number (5187888).

Almost surely, 2^49140146 is an apocalyptic number.

49140146 is a deficient number, since it is larger than the sum of its proper divisors (33866062).

49140146 is a wasteful number, since it uses less digits than its factorization.

49140146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72097.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 49140146 is about 7010.0032810263. The cubic root of 49140146 is about 366.2791076743.

The spelling of 49140146 in words is "forty-nine million, one hundred forty thousand, one hundred forty-six".