89465143 has 4 divisors (see below), whose sum is σ = 89553960. Its totient is φ = 89376328.

The previous prime is 89465107. The next prime is 89465171. The reversal of 89465143 is 34156498.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89465143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89465096 and 89465105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89460143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42880 + ... + 44917.

It is an arithmetic number, because the mean of its divisors is an integer number (22388490).

Almost surely, 2^89465143 is an apocalyptic number.

89465143 is a deficient number, since it is larger than the sum of its proper divisors (88817).

89465143 is a wasteful number, since it uses less digits than its factorization.

89465143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88816.

The product of its digits is 103680, while the sum is 40.

The square root of 89465143 is about 9458.6015351108. The cubic root of 89465143 is about 447.2509655438.

The spelling of 89465143 in words is "eighty-nine million, four hundred sixty-five thousand, one hundred forty-three".