91494151 has 8 divisors (see below), whose sum is σ = 104783360. Its totient is φ = 78259608.

The previous prime is 91494149. The next prime is 91494167. The reversal of 91494151 is 15149419.

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

It is not a de Polignac number, because 91494151 - 2¹ = 91494149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91494121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10011 + ... + 16828.

It is an arithmetic number, because the mean of its divisors is an integer number (13097920).

Almost surely, 2^91494151 is an apocalyptic number.

91494151 is a deficient number, since it is larger than the sum of its proper divisors (13289209).

91494151 is a wasteful number, since it uses less digits than its factorization.

91494151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27333.

The product of its digits is 6480, while the sum is 34.

The square root of 91494151 is about 9565.2574978408. The cubic root of 91494151 is about 450.6068372626.

The spelling of 91494151 in words is "ninety-one million, four hundred ninety-four thousand, one hundred fifty-one".