154557849134 has 48 divisors (see below), whose sum is σ = 254211208704. Its totient is φ = 70437744000.

The previous prime is 154557849133. The next prime is 154557849137. The reversal of 154557849134 is 431948755451.

It is a self number, because there is not a number n which added to its sum of digits gives 154557849134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154557849133) 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 23 ways as a sum of consecutive naturals, for example, 13068944 + ... + 13080764.

It is an arithmetic number, because the mean of its divisors is an integer number (5296066848).

Almost surely, 2^154557849134 is an apocalyptic number.

154557849134 is a deficient number, since it is larger than the sum of its proper divisors (99653359570).

154557849134 is a wasteful number, since it uses less digits than its factorization.

154557849134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12320 counting only the distinct ones).

The product of its digits is 12096000, while the sum is 56.

The spelling of 154557849134 in words is "one hundred fifty-four billion, five hundred fifty-seven million, eight hundred forty-nine thousand, one hundred thirty-four".