89980545 has 8 divisors (see below), whose sum is σ = 143968896. Its totient is φ = 47989616.

The previous prime is 89980543. The next prime is 89980547. The reversal of 89980545 is 54508998.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89980543) and next prime (89980547).

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 89980545 - 2¹ = 89980543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89980494 and 89980503.

It is not an unprimeable number, because it can be changed into a prime (89980543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2999337 + ... + 2999366.

It is an arithmetic number, because the mean of its divisors is an integer number (17996112).

Almost surely, 2^89980545 is an apocalyptic number.

It is an amenable number.

89980545 is a deficient number, since it is larger than the sum of its proper divisors (53988351).

89980545 is a wasteful number, since it uses less digits than its factorization.

89980545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5998711.

The product of its (nonzero) digits is 518400, while the sum is 48.

The square root of 89980545 is about 9485.8075565552. The cubic root of 89980545 is about 448.1081813178.

It can be divided in two parts, 89980 and 545, that added together give a triangular number (90525 = T₄₂₅).

The spelling of 89980545 in words is "eighty-nine million, nine hundred eighty thousand, five hundred forty-five".