45458561 has 8 divisors (see below), whose sum is σ = 48346920. Its totient is φ = 42594048.

The previous prime is 45458467. The next prime is 45458587. The reversal of 45458561 is 16585454.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32092225 + 13366336 = 5665^2 + 3656^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45458561 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45458591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946 + ... + 9731.

It is an arithmetic number, because the mean of its divisors is an integer number (6043365).

Almost surely, 2^45458561 is an apocalyptic number.

45458561 is the 3893-rd octagonal number.

It is an amenable number.

45458561 is a deficient number, since it is larger than the sum of its proper divisors (2888359).

45458561 is a wasteful number, since it uses less digits than its factorization.

45458561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923.

The product of its digits is 96000, while the sum is 38.

The square root of 45458561 is about 6742.2964188769. The cubic root of 45458561 is about 356.8934366929.

The spelling of 45458561 in words is "forty-five million, four hundred fifty-eight thousand, five hundred sixty-one".