91245346 has 4 divisors (see below), whose sum is σ = 136868022. Its totient is φ = 45622672.

The previous prime is 91245337. The next prime is 91245359. The reversal of 91245346 is 64354219.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64354219 = 29 ⋅2219111.

It can be written as a sum of positive squares in only one way, i.e., 64979721 + 26265625 = 8061^2 + 5125^2 .

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 as a sum of consecutive naturals, namely, 22811335 + ... + 22811338.

Almost surely, 2^91245346 is an apocalyptic number.

91245346 is a deficient number, since it is larger than the sum of its proper divisors (45622676).

91245346 is a wasteful number, since it uses less digits than its factorization.

91245346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45622675.

The product of its digits is 25920, while the sum is 34.

The square root of 91245346 is about 9552.2429826717. The cubic root of 91245346 is about 450.1980132671.

The spelling of 91245346 in words is "ninety-one million, two hundred forty-five thousand, three hundred forty-six".