89556142 has 12 divisors (see below), whose sum is σ = 145463040. Its totient is φ = 41333448.

The previous prime is 89556127. The next prime is 89556149. The reversal of 89556142 is 24165598.

It is a junction number, because it is equal to n+sod(n) for n = 89556095 and 89556104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89556149) 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 5 ways as a sum of consecutive naturals, for example, 132142 + ... + 132817.

It is an arithmetic number, because the mean of its divisors is an integer number (12121920).

Almost surely, 2^89556142 is an apocalyptic number.

89556142 is a deficient number, since it is larger than the sum of its proper divisors (55906898).

89556142 is a wasteful number, since it uses less digits than its factorization.

89556142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264987 (or 264974 counting only the distinct ones).

The product of its digits is 86400, while the sum is 40.

The square root of 89556142 is about 9463.4106959383. The cubic root of 89556142 is about 447.4025538160.

It can be divided in two parts, 89556 and 142, that added together give a palindrome (89698).

The spelling of 89556142 in words is "eighty-nine million, five hundred fifty-six thousand, one hundred forty-two".