91030150 has 24 divisors (see below), whose sum is σ = 172515744. Its totient is φ = 35724000.

The previous prime is 91030139. The next prime is 91030169. The reversal of 91030150 is 5103019.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 14526 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (7188156).

Almost surely, 2^91030150 is an apocalyptic number.

91030150 is a deficient number, since it is larger than the sum of its proper divisors (81485594).

91030150 is a wasteful number, since it uses less digits than its factorization.

91030150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34416 (or 34411 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 91030150 is about 9540.9721726876. The cubic root of 91030150 is about 449.8438141101.

Adding to 91030150 its reverse (5103019), we get a palindrome (96133169).

The spelling of 91030150 in words is "ninety-one million, thirty thousand, one hundred fifty".