154798839435272 has 36 divisors (see below), whose sum is σ = 290948329785645. Its totient is φ = 77213066963328.

The previous prime is 154798839435263. The next prime is 154798839435277. The reversal of 154798839435272 is 272534938897451.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 126244415109316 + 28554424325956 = 11235854^2 + 5343634^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=8797694.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154798839435193 and 154798839435202.

It is not an unprimeable number, because it can be changed into a prime (154798839435277) 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 8 ways as a sum of consecutive naturals, for example, 15237600929 + ... + 15237611087.

Almost surely, 2^{154798839435272} is an apocalyptic number.

It is an amenable number.

154798839435272 is a deficient number, since it is larger than the sum of its proper divisors (136149490350373).

154798839435272 is an frugal number, since it uses more digits than its factorization.

154798839435272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21190 (or 10594 counting only the distinct ones).

The product of its digits is 3657830400, while the sum is 77.

The spelling of 154798839435272 in words is "one hundred fifty-four trillion, seven hundred ninety-eight billion, eight hundred thirty-nine million, four hundred thirty-five thousand, two hundred seventy-two".