91429152 has 48 divisors (see below), whose sum is σ = 240680160. Its totient is φ = 30390272.

The previous prime is 91429133. The next prime is 91429181. The reversal of 91429152 is 25192419.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 7 ways as a sum of consecutive naturals, for example, 39088 + ... + 41360.

It is an arithmetic number, because the mean of its divisors is an integer number (5014170).

Almost surely, 2^91429152 is an apocalyptic number.

It is an amenable number.

91429152 is an abundant number, since it is smaller than the sum of its proper divisors (149251008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91429152 is a wasteful number, since it uses less digits than its factorization.

91429152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2705 (or 2697 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 91429152 is about 9561.8592334336. The cubic root of 91429152 is about 450.5001057320.

The spelling of 91429152 in words is "ninety-one million, four hundred twenty-nine thousand, one hundred fifty-two".