2148045085 has 8 divisors (see below), whose sum is σ = 2578261176. Its totient is φ = 1718031360.

The previous prime is 2148045079. The next prime is 2148045113. The reversal of 2148045085 is 5805408412.

It can be written as a sum of positive squares in 4 ways, for example, as 774453241 + 1373591844 = 27829^2 + 37062^2 .

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

It is not a de Polignac number, because 2148045085 - 2⁹ = 2148044573 is a prime.

It is a super-2 number, since 2×2148045085² = 9228195374385314450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26164 + ... + 70573.

It is an arithmetic number, because the mean of its divisors is an integer number (322282647).

Almost surely, 2^2148045085 is an apocalyptic number.

It is an amenable number.

2148045085 is a deficient number, since it is larger than the sum of its proper divisors (430216091).

2148045085 is an equidigital number, since it uses as much as digits as its factorization.

2148045085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101183.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 2148045085 is about 46347.0072928123. The cubic root of 2148045085 is about 1290.2715781402.

The spelling of 2148045085 in words is "two billion, one hundred forty-eight million, forty-five thousand, eighty-five".