158354651844 has 81 divisors (see below), whose sum is σ = 414745626477. Its totient is φ = 50942431008.

The previous prime is 158354651837. The next prime is 158354651863. The reversal of 158354651844 is 448156453851.

The square root of 158354651844 is 397938.

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

158354651844 is a `hidden beast` number, since 1 + 5 + 8 + 3 + 546 + 51 + 8 + 44 = 666.

158354651844 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 only one way, i.e., 83037338244 + 75317313600 = 288162^2 + 274440^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 69240069 + ... + 69242355.

Almost surely, 2^158354651844 is an apocalyptic number.

158354651844 is the 397938-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158354651844

158354651844 is an abundant number, since it is smaller than the sum of its proper divisors (256390974633).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158354651844 is an equidigital number, since it uses as much as digits as its factorization.

158354651844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642 (or 2321 counting only the distinct ones).

The product of its digits is 9216000, while the sum is 54.

The spelling of 158354651844 in words is "one hundred fifty-eight billion, three hundred fifty-four million, six hundred fifty-one thousand, eight hundred forty-four".