154155251196 has 96 divisors (see below), whose sum is σ = 402063298560. Its totient is φ = 51076742400.

The previous prime is 154155251177. The next prime is 154155251197. The reversal of 154155251196 is 691152551451.

154155251196 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 5 + 525 + 119 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154155251197) 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 31 ways as a sum of consecutive naturals, for example, 40985956 + ... + 40989716.

It is an arithmetic number, because the mean of its divisors is an integer number (4188159360).

Almost surely, 2^154155251196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154155251196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201031649280).

154155251196 is an abundant number, since it is smaller than the sum of its proper divisors (247908047364).

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

154155251196 is a wasteful number, since it uses less digits than its factorization.

154155251196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5952 (or 5944 counting only the distinct ones).

The product of its digits is 270000, while the sum is 45.

The spelling of 154155251196 in words is "one hundred fifty-four billion, one hundred fifty-five million, two hundred fifty-one thousand, one hundred ninety-six".