285453122 has 4 divisors (see below), whose sum is σ = 428179686. Its totient is φ = 142726560.

The previous prime is 285453101. The next prime is 285453167. The reversal of 285453122 is 221354582.

285453122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 227677921 + 57775201 = 15089^2 + 7601^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 71363279 + ... + 71363282.

Almost surely, 2^285453122 is an apocalyptic number.

285453122 is a deficient number, since it is larger than the sum of its proper divisors (142726564).

285453122 is a wasteful number, since it uses less digits than its factorization.

285453122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142726563.

The product of its digits is 19200, while the sum is 32.

The square root of 285453122 is about 16895.3580015340. The cubic root of 285453122 is about 658.4330150542.

The spelling of 285453122 in words is "two hundred eighty-five million, four hundred fifty-three thousand, one hundred twenty-two".