154172250772 has 48 divisors (see below), whose sum is σ = 293236070400. Its totient is φ = 70655539680.

The previous prime is 154172250731. The next prime is 154172250773. The reversal of 154172250772 is 277052271451.

154172250772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154172250773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16532103 + ... + 16541425.

It is an arithmetic number, because the mean of its divisors is an integer number (6109084800).

Almost surely, 2^154172250772 is an apocalyptic number.

It is an amenable number.

154172250772 is a deficient number, since it is larger than the sum of its proper divisors (139063819628).

154172250772 is a wasteful number, since it uses less digits than its factorization.

154172250772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16396 (or 16394 counting only the distinct ones).

The product of its (nonzero) digits is 274400, while the sum is 43.

The spelling of 154172250772 in words is "one hundred fifty-four billion, one hundred seventy-two million, two hundred fifty thousand, seven hundred seventy-two".