154441893074113 has 4 divisors (see below), whose sum is σ = 159767475593940. Its totient is φ = 149116310554288.

The previous prime is 154441893074093. The next prime is 154441893074123. The reversal of 154441893074113 is 311470398144451.

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 85082028416064 + 69359864658049 = 9223992^2 + 8328257^2 .

It is a cyclic number.

It is not a de Polignac number, because 154441893074113 - 2²⁵ = 154441859519681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154441893074123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662791259870 + ... + 2662791259927.

It is an arithmetic number, because the mean of its divisors is an integer number (39941868898485).

Almost surely, 2^{154441893074113} is an apocalyptic number.

It is an amenable number.

154441893074113 is a deficient number, since it is larger than the sum of its proper divisors (5325582519827).

154441893074113 is an equidigital number, since it uses as much as digits as its factorization.

154441893074113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325582519826.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 154441893074113 in words is "one hundred fifty-four trillion, four hundred forty-one billion, eight hundred ninety-three million, seventy-four thousand, one hundred thirteen".