98005145 has 24 divisors (see below), whose sum is σ = 137358144. Its totient is φ = 66933216.

The previous prime is 98005111. The next prime is 98005157. The reversal of 98005145 is 54150089.

It is not a de Polignac number, because 98005145 - 2⁶ = 98005081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74564 + ... + 75866.

It is an arithmetic number, because the mean of its divisors is an integer number (5723256).

Almost surely, 2^98005145 is an apocalyptic number.

It is an amenable number.

98005145 is a deficient number, since it is larger than the sum of its proper divisors (39352999).

98005145 is a wasteful number, since it uses less digits than its factorization.

98005145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629 (or 1622 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 98005145 is about 9899.7547949432. The cubic root of 98005145 is about 461.0516973282.

The spelling of 98005145 in words is "ninety-eight million, five thousand, one hundred forty-five".