154200400202641 has 4 divisors (see below), whose sum is σ = 166061969449012. Its totient is φ = 142338830956272.

The previous prime is 154200400202633. The next prime is 154200400202663. The reversal of 154200400202641 is 146202004002451.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25518511012225 + 128681889190416 = 5051585^2 + 11343804^2 .

It is a cyclic number.

It is not a de Polignac number, because 154200400202641 - 2³ = 154200400202633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154200400202141) 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 3 ways as a sum of consecutive naturals, for example, 5930784623166 + ... + 5930784623191.

It is an arithmetic number, because the mean of its divisors is an integer number (41515492362253).

Almost surely, 2^{154200400202641} is an apocalyptic number.

It is an amenable number.

154200400202641 is a deficient number, since it is larger than the sum of its proper divisors (11861569246371).

154200400202641 is a wasteful number, since it uses less digits than its factorization.

154200400202641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11861569246370.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 154200400202641 in words is "one hundred fifty-four trillion, two hundred billion, four hundred million, two hundred two thousand, six hundred forty-one".