91150541 has 8 divisors (see below), whose sum is σ = 95225280. Its totient is φ = 87085152.

The previous prime is 91150529. The next prime is 91150547. The reversal of 91150541 is 14505119.

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

It is a cyclic number.

It is not a de Polignac number, because 91150541 - 2¹⁸ = 90888397 is a prime.

It is a super-3 number, since 3×91150541³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91150541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91150547) 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, 24065 + ... + 27593.

It is an arithmetic number, because the mean of its divisors is an integer number (11903160).

Almost surely, 2^91150541 is an apocalyptic number.

It is an amenable number.

91150541 is a deficient number, since it is larger than the sum of its proper divisors (4074739).

91150541 is a wasteful number, since it uses less digits than its factorization.

91150541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 91150541 is about 9547.2792459423. The cubic root of 91150541 is about 450.0420388710.

The spelling of 91150541 in words is "ninety-one million, one hundred fifty thousand, five hundred forty-one".