91429245 has 24 divisors (see below), whose sum is σ = 158704416. Its totient is φ = 48692448.

The previous prime is 91429229. The next prime is 91429259. The reversal of 91429245 is 54292419.

It is not a de Polignac number, because 91429245 - 2⁴ = 91429229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51462 + ... + 53208.

It is an arithmetic number, because the mean of its divisors is an integer number (6612684).

Almost surely, 2^91429245 is an apocalyptic number.

It is an amenable number.

91429245 is a deficient number, since it is larger than the sum of its proper divisors (67275171).

91429245 is a wasteful number, since it uses less digits than its factorization.

91429245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921 (or 2918 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 91429245 is about 9561.8640965034. The cubic root of 91429245 is about 450.5002584786.

The spelling of 91429245 in words is "ninety-one million, four hundred twenty-nine thousand, two hundred forty-five".