91450243 has 8 divisors (see below), whose sum is σ = 93219840. Its totient is φ = 89692680.

The previous prime is 91450241. The next prime is 91450267. The reversal of 91450243 is 34205419.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91450243 - 2¹ = 91450241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91450241) 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, 13158 + ... + 18868.

It is an arithmetic number, because the mean of its divisors is an integer number (11652480).

Almost surely, 2^91450243 is an apocalyptic number.

91450243 is a deficient number, since it is larger than the sum of its proper divisors (1769597).

91450243 is a wasteful number, since it uses less digits than its factorization.

91450243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 91450243 is about 9562.9620411251. The cubic root of 91450243 is about 450.5347437258.

The spelling of 91450243 in words is "ninety-one million, four hundred fifty thousand, two hundred forty-three".