154414404056441 has 4 divisors (see below), whose sum is σ = 154414434372852. Its totient is φ = 154414373740032.

The previous prime is 154414404056431. The next prime is 154414404056449. The reversal of 154414404056441 is 144650404414451.

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 79787698300816 + 74626705755625 = 8932396^2 + 8638675^2 .

It is a cyclic number.

It is not a de Polignac number, because 154414404056441 - 2³⁴ = 154397224187257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (154414404056449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5442140 + ... + 18396893.

It is an arithmetic number, because the mean of its divisors is an integer number (38603608593213).

Almost surely, 2^{154414404056441} is an apocalyptic number.

It is an amenable number.

154414404056441 is a deficient number, since it is larger than the sum of its proper divisors (30316411).

154414404056441 is an equidigital number, since it uses as much as digits as its factorization.

154414404056441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30316410.

The product of its (nonzero) digits is 2457600, while the sum is 47.

The spelling of 154414404056441 in words is "one hundred fifty-four trillion, four hundred fourteen billion, four hundred four million, fifty-six thousand, four hundred forty-one".