285457154 has 16 divisors (see below), whose sum is σ = 431165592. Its totient is φ = 141739008.

The previous prime is 285457153. The next prime is 285457181. The reversal of 285457154 is 451754582.

285457154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 274796929 + 10660225 = 16577^2 + 3265^2 .

It is not an unprimeable number, because it can be changed into a prime (285457153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275822 + ... + 276854.

Almost surely, 2^285457154 is an apocalyptic number.

285457154 is a deficient number, since it is larger than the sum of its proper divisors (145708438).

285457154 is a wasteful number, since it uses less digits than its factorization.

285457154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861.

The product of its digits is 224000, while the sum is 41.

The square root of 285457154 is about 16895.4773238284. The cubic root of 285457154 is about 658.4361151422.

The spelling of 285457154 in words is "two hundred eighty-five million, four hundred fifty-seven thousand, one hundred fifty-four".