91148112 has 80 divisors (see below), whose sum is σ = 285428160. Its totient is φ = 27619200.

The previous prime is 91148093. The next prime is 91148117. The reversal of 91148112 is 21184119.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91148117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4839 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (3567852).

Almost surely, 2^91148112 is an apocalyptic number.

It is an amenable number.

91148112 is an abundant number, since it is smaller than the sum of its proper divisors (194280048).

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

91148112 is a wasteful number, since it uses less digits than its factorization.

91148112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19209 (or 19197 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 91148112 is about 9547.1520360786. The cubic root of 91148112 is about 450.0380412285.

The spelling of 91148112 in words is "ninety-one million, one hundred forty-eight thousand, one hundred twelve".