91654154 has 4 divisors (see below), whose sum is σ = 137481234. Its totient is φ = 45827076.

The previous prime is 91654139. The next prime is 91654159. The reversal of 91654154 is 45145619.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 78730129 + 12924025 = 8873^2 + 3595^2 .

It is a super-3 number, since 3×91654154³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91654159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22913537 + ... + 22913540.

Almost surely, 2^91654154 is an apocalyptic number.

91654154 is a deficient number, since it is larger than the sum of its proper divisors (45827080).

91654154 is a wasteful number, since it uses less digits than its factorization.

91654154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45827079.

The product of its digits is 21600, while the sum is 35.

The square root of 91654154 is about 9573.6176025576. The cubic root of 91654154 is about 450.8693548032.

The spelling of 91654154 in words is "ninety-one million, six hundred fifty-four thousand, one hundred fifty-four".