150606261 has 12 divisors (see below), whose sum is σ = 234276588. Its totient is φ = 92680704.

The previous prime is 150606259. The next prime is 150606271. The reversal of 150606261 is 162606051.

It is a happy number.

150606261 is a `hidden beast` number, since 1 + 50 + 606 + 2 + 6 + 1 = 666.

150606261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20304036 + 130302225 = 4506^2 + 11415^2 .

It is not a de Polignac number, because 150606261 - 2¹ = 150606259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150606221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 643500 + ... + 643733.

It is an arithmetic number, because the mean of its divisors is an integer number (19523049).

Almost surely, 2^150606261 is an apocalyptic number.

It is an amenable number.

150606261 is a deficient number, since it is larger than the sum of its proper divisors (83670327).

150606261 is a wasteful number, since it uses less digits than its factorization.

150606261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287252 (or 1287249 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 150606261 is about 12272.1742572374. The cubic root of 150606261 is about 532.0441539568.

It can be divided in two parts, 15060 and 6261, that added together give a triangular number (21321 = T₂₀₆).

The spelling of 150606261 in words is "one hundred fifty million, six hundred six thousand, two hundred sixty-one".