154155251241 has 6 divisors (see below), whose sum is σ = 222668696250. Its totient is φ = 102770167488.

The previous prime is 154155251231. The next prime is 154155251329. The reversal of 154155251241 is 142152551451.

154155251241 is a `hidden beast` number, since 1 + 5 + 4 + 1 + 5 + 525 + 124 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101544195600 + 52611055641 = 318660^2 + 229371^2 .

It is not a de Polignac number, because 154155251241 - 2⁶ = 154155251177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154155251196 and 154155251205.

It is not an unprimeable number, because it can be changed into a prime (154155251231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8564180616 + ... + 8564180633.

It is an arithmetic number, because the mean of its divisors is an integer number (37111449375).

Almost surely, 2^154155251241 is an apocalyptic number.

It is an amenable number.

154155251241 is a deficient number, since it is larger than the sum of its proper divisors (68513445009).

154155251241 is a wasteful number, since it uses less digits than its factorization.

154155251241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17128361255 (or 17128361252 counting only the distinct ones).

The product of its digits is 40000, while the sum is 36.

The spelling of 154155251241 in words is "one hundred fifty-four billion, one hundred fifty-five million, two hundred fifty-one thousand, two hundred forty-one".