91454546 has 16 divisors (see below), whose sum is σ = 140755104. Its totient is φ = 44551584.

The previous prime is 91454537. The next prime is 91454549. The reversal of 91454546 is 64545419.

It is a super-2 number, since 2×91454546² = 16727867968132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (91454549) 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, 8345 + ... + 15891.

It is an arithmetic number, because the mean of its divisors is an integer number (8797194).

Almost surely, 2^91454546 is an apocalyptic number.

91454546 is a deficient number, since it is larger than the sum of its proper divisors (49300558).

91454546 is a wasteful number, since it uses less digits than its factorization.

91454546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705.

The product of its digits is 86400, while the sum is 38.

The square root of 91454546 is about 9563.1870210720. The cubic root of 91454546 is about 450.5418099385.

The spelling of 91454546 in words is "ninety-one million, four hundred fifty-four thousand, five hundred forty-six".