98171145 has 12 divisors (see below), whose sum is σ = 170163396. Its totient is φ = 52357920.

The previous prime is 98171131. The next prime is 98171159. The reversal of 98171145 is 54117189.

It is an interprime number because it is at equal distance from previous prime (98171131) and next prime (98171159).

It can be written as a sum of positive squares in 2 ways, for example, as 65028096 + 33143049 = 8064^2 + 5757^2 .

It is not a de Polignac number, because 98171145 - 2²⁰ = 97122569 is a prime.

It is a super-2 number, since 2×98171145² = 19275147421222050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1090746 + ... + 1090835.

It is an arithmetic number, because the mean of its divisors is an integer number (14180283).

Almost surely, 2^98171145 is an apocalyptic number.

It is an amenable number.

98171145 is a deficient number, since it is larger than the sum of its proper divisors (71992251).

98171145 is a wasteful number, since it uses less digits than its factorization.

98171145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2181592 (or 2181589 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 98171145 is about 9908.1352937876. The cubic root of 98171145 is about 461.3118585379.

The spelling of 98171145 in words is "ninety-eight million, one hundred seventy-one thousand, one hundred forty-five".