158359044278241 has 81 divisors (see below), whose sum is σ = 243246157652979. Its totient is φ = 103088976513264.

The previous prime is 158359044278233. The next prime is 158359044278249. The reversal of 158359044278241 is 142872440953851.

The square root of 158359044278241 is 12584079.

It is a perfect power (a square), and thus also a powerful number.

158359044278241 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 5 + 90 + 4 + 427 + 82 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (158359044278233) and next prime (158359044278249).

It can be written as a sum of positive squares in only one way, i.e., 87648563025 + 158271395715216 = 296055^2 + 12580596^2 .

It is a tau number, because it is divible by the number of its divisors (81).

It is not a de Polignac number, because 158359044278241 - 2³ = 158359044278233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158359044278249) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 43830345351 + ... + 43830348963.

Almost surely, 2^{158359044278241} is an apocalyptic number.

158359044278241 is the 12584079-th square number.

158359044278241 is the 6292040-th centered octagonal number.

It is an amenable number.

158359044278241 is a deficient number, since it is larger than the sum of its proper divisors (84887113374738).

158359044278241 is an frugal number, since it uses more digits than its factorization.

158359044278241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336 (or 3659 counting only the distinct ones).

The product of its (nonzero) digits is 77414400, while the sum is 63.

The spelling of 158359044278241 in words is "one hundred fifty-eight trillion, three hundred fifty-nine billion, forty-four million, two hundred seventy-eight thousand, two hundred forty-one".