151644241 has 16 divisors (see below), whose sum is σ = 178649856. Its totient is φ = 126000576.

The previous prime is 151644239. The next prime is 151644247. The reversal of 151644241 is 142446151.

It is a cyclic number.

It is not a de Polignac number, because 151644241 - 2¹ = 151644239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151644247) 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 15 ways as a sum of consecutive naturals, for example, 81180 + ... + 83026.

It is an arithmetic number, because the mean of its divisors is an integer number (11165616).

Almost surely, 2^151644241 is an apocalyptic number.

It is an amenable number.

151644241 is a deficient number, since it is larger than the sum of its proper divisors (27005615).

151644241 is a wasteful number, since it uses less digits than its factorization.

151644241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208.

The product of its digits is 3840, while the sum is 28.

The square root of 151644241 is about 12314.3916211886. The cubic root of 151644241 is about 533.2636413710.

The spelling of 151644241 in words is "one hundred fifty-one million, six hundred forty-four thousand, two hundred forty-one".