158454121454852 has 48 divisors (see below), whose sum is σ = 280409654181888. Its totient is φ = 78341274779040.

The previous prime is 158454121454851. The next prime is 158454121454873. The reversal of 158454121454852 is 258454121454851.

It is a junction number, because it is equal to n+sod(n) for n = 158454121454791 and 158454121454800.

It is not an unprimeable number, because it can be changed into a prime (158454121454851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655432977 + ... + 2655492647.

It is an arithmetic number, because the mean of its divisors is an integer number (5841867795456).

Almost surely, 2^{158454121454852} is an apocalyptic number.

It is an amenable number.

158454121454852 is a deficient number, since it is larger than the sum of its proper divisors (121955532727036).

158454121454852 is a wasteful number, since it uses less digits than its factorization.

158454121454852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77136 (or 77134 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 59.

Subtracting 158454121454852 from its reverse (258454121454851), we obtain a palindrome (99999999999999).

The spelling of 158454121454852 in words is "one hundred fifty-eight trillion, four hundred fifty-four billion, one hundred twenty-one million, four hundred fifty-four thousand, eight hundred fifty-two".