89745 has 16 divisors (see below), whose sum is σ = 148992. Its totient is φ = 46080.

The previous prime is 89689. The next prime is 89753. The reversal of 89745 is 54798.

It is not a de Polignac number, because 89745 - 2⁶ = 89681 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 369 + ... + 561.

It is an arithmetic number, because the mean of its divisors is an integer number (9312).

2⁸⁹⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

89745 is a deficient number, since it is larger than the sum of its proper divisors (59247).

89745 is a wasteful number, since it uses less digits than its factorization.

89745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 10080, while the sum is 33.

The square root of 89745 is about 299.5746985311. The cubic root of 89745 is about 44.7716830513.

The spelling of 89745 in words is "eighty-nine thousand, seven hundred forty-five".