290149065 has 12 divisors (see below), whose sum is σ = 502925124. Its totient is φ = 154746144.

The previous prime is 290149051. The next prime is 290149073. The reversal of 290149065 is 560941092.

It can be written as a sum of positive squares in 2 ways, for example, as 206755641 + 83393424 = 14379^2 + 9132^2 .

It is not a de Polignac number, because 290149065 - 2¹¹ = 290147017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3223834 + ... + 3223923.

It is an arithmetic number, because the mean of its divisors is an integer number (41910427).

Almost surely, 2^290149065 is an apocalyptic number.

It is an amenable number.

290149065 is a deficient number, since it is larger than the sum of its proper divisors (212776059).

290149065 is a wasteful number, since it uses less digits than its factorization.

290149065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6447768 (or 6447765 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 290149065 is about 17033.7625027473. The cubic root of 290149065 is about 662.0239865291.

The spelling of 290149065 in words is "two hundred ninety million, one hundred forty-nine thousand, sixty-five".