45840591 has 12 divisors (see below), whose sum is σ = 66334632. Its totient is φ = 30504816.

The previous prime is 45840589. The next prime is 45840593. The reversal of 45840591 is 19504854.

It is an interprime number because it is at equal distance from previous prime (45840589) and next prime (45840593).

It is not a de Polignac number, because 45840591 - 2¹ = 45840589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45840593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (5527886).

Almost surely, 2^45840591 is an apocalyptic number.

45840591 is a deficient number, since it is larger than the sum of its proper divisors (20494041).

45840591 is a wasteful number, since it uses less digits than its factorization.

45840591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9270 (or 9267 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 45840591 is about 6770.5679968523. The cubic root of 45840591 is about 357.8904167166.

The spelling of 45840591 in words is "forty-five million, eight hundred forty thousand, five hundred ninety-one".