45823591 has 4 divisors (see below), whose sum is σ = 49989384. Its totient is φ = 41657800.

The previous prime is 45823577. The next prime is 45823597. The reversal of 45823591 is 19532854.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45823591 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45823591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45823597) 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, 2082880 + ... + 2082901.

It is an arithmetic number, because the mean of its divisors is an integer number (12497346).

Almost surely, 2^45823591 is an apocalyptic number.

45823591 is a deficient number, since it is larger than the sum of its proper divisors (4165793).

45823591 is a wasteful number, since it uses less digits than its factorization.

45823591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165792.

The product of its digits is 43200, while the sum is 37.

The square root of 45823591 is about 6769.3124466226. The cubic root of 45823591 is about 357.8461699824.

The spelling of 45823591 in words is "forty-five million, eight hundred twenty-three thousand, five hundred ninety-one".