85581454 has 32 divisors (see below), whose sum is σ = 151289856. Its totient is φ = 35548800.

The previous prime is 85581449. The next prime is 85581467. The reversal of 85581454 is 45418558.

It is a happy number.

It is a congruent number.

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, 73779 + ... + 74929.

It is an arithmetic number, because the mean of its divisors is an integer number (4727808).

Almost surely, 2^85581454 is an apocalyptic number.

85581454 is a deficient number, since it is larger than the sum of its proper divisors (65708402).

85581454 is a wasteful number, since it uses less digits than its factorization.

85581454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its digits is 128000, while the sum is 40.

The square root of 85581454 is about 9251.0244838072. The cubic root of 85581454 is about 440.6832600663.

The spelling of 85581454 in words is "eighty-five million, five hundred eighty-one thousand, four hundred fifty-four".