98045 has 4 divisors (see below), whose sum is σ = 117660. Its totient is φ = 78432.

The previous prime is 98041. The next prime is 98047. The reversal of 98045 is 54089.

98045 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54089 = 7 ⋅7727.

It can be written as a sum of positive squares in 2 ways, for example, as 76729 + 21316 = 277^2 + 146^2 .

It is a cyclic number.

It is not a de Polignac number, because 98045 - 2² = 98041 is a prime.

It is a super-2 number, since 2×98045² = 19225644050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9800 + ... + 9809.

It is an arithmetic number, because the mean of its divisors is an integer number (29415).

2⁹⁸⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

98045 is a deficient number, since it is larger than the sum of its proper divisors (19615).

98045 is a wasteful number, since it uses less digits than its factorization.

98045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19614.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 98045 is about 313.1213822146. The cubic root of 98045 is about 46.1114186310. Note that the first 3 decimals are identical.

Subtracting from 98045 its reverse (54089), we obtain a triangular number (43956 = T₂₉₆).

It can be divided in two parts, 980 and 45, that multiplied together give a square (44100 = 210²).

The spelling of 98045 in words is "ninety-eight thousand, forty-five".