91336245 has 144 divisors (see below), whose sum is σ = 203777280. Its totient is φ = 34594560.

The previous prime is 91336237. The next prime is 91336253. The reversal of 91336245 is 54263319.

It is an interprime number because it is at equal distance from previous prime (91336237) and next prime (91336253).

It is not a de Polignac number, because 91336245 - 2³ = 91336237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1156116 + ... + 1156194.

It is an arithmetic number, because the mean of its divisors is an integer number (1415120).

Almost surely, 2^91336245 is an apocalyptic number.

It is an amenable number.

91336245 is an abundant number, since it is smaller than the sum of its proper divisors (112441035).

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

91336245 is a wasteful number, since it uses less digits than its factorization.

91336245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 91336245 is about 9556.9997907293. Note that the first 3 decimals coincide. The cubic root of 91336245 is about 450.3474600405.

The spelling of 91336245 in words is "ninety-one million, three hundred thirty-six thousand, two hundred forty-five".