91141954 has 16 divisors (see below), whose sum is σ = 142342200. Its totient is φ = 43714944.

The previous prime is 91141951. The next prime is 91142003. The reversal of 91141954 is 45914119.

It can be written as a sum of positive squares in 4 ways, for example, as 89737729 + 1404225 = 9473^2 + 1185^2 .

It is not an unprimeable number, because it can be changed into a prime (91141951) 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, 4102 + ... + 14110.

Almost surely, 2^91141954 is an apocalyptic number.

91141954 is a deficient number, since it is larger than the sum of its proper divisors (51200246).

91141954 is a wasteful number, since it uses less digits than its factorization.

91141954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10197.

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

The square root of 91141954 is about 9546.8295260783. The cubic root of 91141954 is about 450.0279060883.

The spelling of 91141954 in words is "ninety-one million, one hundred forty-one thousand, nine hundred fifty-four".