91852045 has 4 divisors (see below), whose sum is σ = 110222460. Its totient is φ = 73481632.

The previous prime is 91852043. The next prime is 91852049. The reversal of 91852045 is 54025819.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37711881 + 54140164 = 6141^2 + 7358^2 .

It is a cyclic number.

It is not a de Polignac number, because 91852045 - 2¹ = 91852043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91852045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91852043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9185200 + ... + 9185209.

It is an arithmetic number, because the mean of its divisors is an integer number (27555615).

Almost surely, 2^91852045 is an apocalyptic number.

It is an amenable number.

91852045 is a deficient number, since it is larger than the sum of its proper divisors (18370415).

91852045 is a wasteful number, since it uses less digits than its factorization.

91852045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370414.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 91852045 is about 9583.9472556979. The cubic root of 91852045 is about 451.1936130667.

The spelling of 91852045 in words is "ninety-one million, eight hundred fifty-two thousand, forty-five".