45871589 has 4 divisors (see below), whose sum is σ = 45962220. Its totient is φ = 45780960.

The previous prime is 45871571. The next prime is 45871603. The reversal of 45871589 is 98517854.

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 42837025 + 3034564 = 6545^2 + 1742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45871589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45870589) 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 3 ways as a sum of consecutive naturals, for example, 44552 + ... + 45569.

It is an arithmetic number, because the mean of its divisors is an integer number (11490555).

Almost surely, 2^45871589 is an apocalyptic number.

It is an amenable number.

45871589 is a deficient number, since it is larger than the sum of its proper divisors (90631).

45871589 is an equidigital number, since it uses as much as digits as its factorization.

45871589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90630.

The product of its digits is 403200, while the sum is 47.

The square root of 45871589 is about 6772.8567827764. The cubic root of 45871589 is about 357.9710685815.

The spelling of 45871589 in words is "forty-five million, eight hundred seventy-one thousand, five hundred eighty-nine".