45812489 has 8 divisors (see below), whose sum is σ = 47864520. Its totient is φ = 43792000.

The previous prime is 45812479. The next prime is 45812491. The reversal of 45812489 is 98421854.

It can be written as a sum of positive squares in 4 ways, for example, as 34810000 + 11002489 = 5900^2 + 3317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45812489 - 2²⁰ = 44763913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45812419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892 + ... + 10749.

It is an arithmetic number, because the mean of its divisors is an integer number (5983065).

Almost surely, 2^45812489 is an apocalyptic number.

It is an amenable number.

45812489 is a deficient number, since it is larger than the sum of its proper divisors (2052031).

45812489 is a wasteful number, since it uses less digits than its factorization.

45812489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771.

The product of its digits is 92160, while the sum is 41.

The square root of 45812489 is about 6768.4923727519. The cubic root of 45812489 is about 357.8172683549.

The spelling of 45812489 in words is "forty-five million, eight hundred twelve thousand, four hundred eighty-nine".