48991146 has 16 divisors (see below), whose sum is σ = 100372608. Its totient is φ = 15932000.

The previous prime is 48991141. The next prime is 48991157. The reversal of 48991146 is 64119984.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 48991098 and 48991107.

It is not an unprimeable number, because it can be changed into a prime (48991141) 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, 99330 + ... + 99821.

It is an arithmetic number, because the mean of its divisors is an integer number (6273288).

Almost surely, 2^48991146 is an apocalyptic number.

48991146 is an abundant number, since it is smaller than the sum of its proper divisors (51381462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48991146 is a wasteful number, since it uses less digits than its factorization.

48991146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199197.

The product of its digits is 62208, while the sum is 42.

The square root of 48991146 is about 6999.3675428570. The cubic root of 48991146 is about 365.9085292034.

The spelling of 48991146 in words is "forty-eight million, nine hundred ninety-one thousand, one hundred forty-six".