158049248478 has 16 divisors (see below), whose sum is σ = 344834724096. Its totient is φ = 47893711640.

The previous prime is 158049248473. The next prime is 158049248491. The reversal of 158049248478 is 874842940851.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158049248473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197342726 + ... + 1197342857.

It is an arithmetic number, because the mean of its divisors is an integer number (21552170256).

Almost surely, 2^158049248478 is an apocalyptic number.

158049248478 is an abundant number, since it is smaller than the sum of its proper divisors (186785475618).

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

158049248478 is a wasteful number, since it uses less digits than its factorization.

158049248478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2394685599.

The product of its (nonzero) digits is 20643840, while the sum is 60.

The spelling of 158049248478 in words is "one hundred fifty-eight billion, forty-nine million, two hundred forty-eight thousand, four hundred seventy-eight".