152106561 has 12 divisors (see below), whose sum is σ = 219906388. Its totient is φ = 101313504.

The previous prime is 152106551. The next prime is 152106569. The reversal of 152106561 is 165601251.

It is a happy number.

152106561 is a `hidden beast` number, since 1 + 5 + 2 + 1 + 0 + 656 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87609600 + 64496961 = 9360^2 + 8031^2 .

It is not a de Polignac number, because 152106561 - 2⁵ = 152106529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152106569) 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 11 ways as a sum of consecutive naturals, for example, 3951 + ... + 17883.

Almost surely, 2^152106561 is an apocalyptic number.

It is an amenable number.

152106561 is a deficient number, since it is larger than the sum of its proper divisors (67799827).

152106561 is a wasteful number, since it uses less digits than its factorization.

152106561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15152 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 152106561 is about 12333.1488679899. The cubic root of 152106561 is about 533.8050144487.

The spelling of 152106561 in words is "one hundred fifty-two million, one hundred six thousand, five hundred sixty-one".