154801518156 has 72 divisors (see below), whose sum is σ = 416861565120. Its totient is φ = 48295700064.

The previous prime is 154801518143. The next prime is 154801518197. The reversal of 154801518156 is 651815108451.

154801518156 is a `hidden beast` number, since 1 + 5 + 4 + 80 + 1 + 518 + 1 + 56 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1306590 + ... + 1420133.

It is an arithmetic number, because the mean of its divisors is an integer number (5789743960).

Almost surely, 2^154801518156 is an apocalyptic number.

It is an amenable number.

154801518156 is an abundant number, since it is smaller than the sum of its proper divisors (262060046964).

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

154801518156 is a wasteful number, since it uses less digits than its factorization.

154801518156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726835 (or 2726830 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 45.

The spelling of 154801518156 in words is "one hundred fifty-four billion, eight hundred one million, five hundred eighteen thousand, one hundred fifty-six".