91454605 has 16 divisors (see below), whose sum is σ = 120674304. Its totient is φ = 65983680.

The previous prime is 91454599. The next prime is 91454651. The reversal of 91454605 is 50645419.

It is not a de Polignac number, because 91454605 - 2⁹ = 91454093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (7542144).

Almost surely, 2^91454605 is an apocalyptic number.

It is an amenable number.

91454605 is a deficient number, since it is larger than the sum of its proper divisors (29219699).

91454605 is a wasteful number, since it uses less digits than its factorization.

91454605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13236.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 91454605 is about 9563.1901058172. The cubic root of 91454605 is about 450.5419068244.

The spelling of 91454605 in words is "ninety-one million, four hundred fifty-four thousand, six hundred five".