91945148 has 24 divisors (see below), whose sum is σ = 166916064. Its totient is φ = 44280000.

The previous prime is 91945141. The next prime is 91945153. The reversal of 91945148 is 84154919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91945141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11873 + ... + 18023.

It is an arithmetic number, because the mean of its divisors is an integer number (6954836).

Almost surely, 2^91945148 is an apocalyptic number.

It is an amenable number.

91945148 is a deficient number, since it is larger than the sum of its proper divisors (74970916).

91945148 is a wasteful number, since it uses less digits than its factorization.

91945148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293 (or 6291 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 91945148 is about 9588.8032621386. The cubic root of 91945148 is about 451.3460077639.

The spelling of 91945148 in words is "ninety-one million, nine hundred forty-five thousand, one hundred forty-eight".