281052245 has 16 divisors (see below), whose sum is σ = 364704768. Its totient is φ = 207110400.

The previous prime is 281052227. The next prime is 281052251. The reversal of 281052245 is 542250182.

It is not a de Polignac number, because 281052245 - 2⁶ = 281052181 is a prime.

It is a Duffinian 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, 31181 + ... + 39170.

It is an arithmetic number, because the mean of its divisors is an integer number (22794048).

Almost surely, 2^281052245 is an apocalyptic number.

It is an amenable number.

281052245 is a deficient number, since it is larger than the sum of its proper divisors (83652523).

281052245 is a wasteful number, since it uses less digits than its factorization.

281052245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70420.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 281052245 is about 16764.6128795150. The cubic root of 281052245 is about 655.0317526320.

It can be divided in two parts, 2810 and 52245, that added together give a palindrome (55055).

The spelling of 281052245 in words is "two hundred eighty-one million, fifty-two thousand, two hundred forty-five".