9145459285 has 8 divisors (see below), whose sum is σ = 11352984120. Its totient is φ = 7064078784.

The previous prime is 9145459283. The next prime is 9145459319. The reversal of 9145459285 is 5829545419.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5716881 + 9139742404 = 2391^2 + 95602^2 .

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 9145459285 - 2¹ = 9145459283 is a prime.

It is a super-2 number, since 2×9145459285² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145459283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31535922 + ... + 31536211.

It is an arithmetic number, because the mean of its divisors is an integer number (1419123015).

Almost surely, 2^9145459285 is an apocalyptic number.

It is an amenable number.

9145459285 is a deficient number, since it is larger than the sum of its proper divisors (2207524835).

9145459285 is a wasteful number, since it uses less digits than its factorization.

9145459285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63072167.

The product of its digits is 2592000, while the sum is 52.

The square root of 9145459285 is about 95631.8947056891. The cubic root of 9145459285 is about 2091.2301911820.

The spelling of 9145459285 in words is "nine billion, one hundred forty-five million, four hundred fifty-nine thousand, two hundred eighty-five".