285149096 has 32 divisors (see below), whose sum is σ = 555244200. Its totient is φ = 137180160.

The previous prime is 285149089. The next prime is 285149107. The reversal of 285149096 is 690941582.

It can be written as a sum of positive squares in 4 ways, for example, as 160022500 + 125126596 = 12650^2 + 11186^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17990 + ... + 29898.

Almost surely, 2^285149096 is an apocalyptic number.

It is an amenable number.

285149096 is a deficient number, since it is larger than the sum of its proper divisors (270095104).

285149096 is a wasteful number, since it uses less digits than its factorization.

285149096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12029 (or 12025 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 285149096 is about 16886.3582811689. The cubic root of 285149096 is about 658.1991741291.

The spelling of 285149096 in words is "two hundred eighty-five million, one hundred forty-nine thousand, ninety-six".