154943945241 has 16 divisors (see below), whose sum is σ = 207182595840. Its totient is φ = 103000728960.

The previous prime is 154943945201. The next prime is 154943945249. The reversal of 154943945241 is 142549349451.

It is a happy number.

It is not a de Polignac number, because 154943945241 - 2¹⁰ = 154943944217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154943945249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9748621 + ... + 9764501.

It is an arithmetic number, because the mean of its divisors is an integer number (12948912240).

Almost surely, 2^154943945241 is an apocalyptic number.

It is an amenable number.

154943945241 is a deficient number, since it is larger than the sum of its proper divisors (52238650599).

154943945241 is a wasteful number, since it uses less digits than its factorization.

154943945241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24976.

The product of its digits is 3110400, while the sum is 51.

The spelling of 154943945241 in words is "one hundred fifty-four billion, nine hundred forty-three million, nine hundred forty-five thousand, two hundred forty-one".