154005601 has 4 divisors (see below), whose sum is σ = 163064772. Its totient is φ = 144946432.

The previous prime is 154005569. The next prime is 154005611. The reversal of 154005601 is 106500451.

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 125104225 + 28901376 = 11185^2 + 5376^2 .

It is a cyclic number.

It is not a de Polignac number, because 154005601 - 2⁵ = 154005569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154005611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529560 + ... + 4529593.

It is an arithmetic number, because the mean of its divisors is an integer number (40766193).

Almost surely, 2^154005601 is an apocalyptic number.

It is an amenable number.

154005601 is a deficient number, since it is larger than the sum of its proper divisors (9059171).

154005601 is an equidigital number, since it uses as much as digits as its factorization.

154005601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059170.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 154005601 is about 12409.8993146601. The cubic root of 154005601 is about 536.0173392791.

The spelling of 154005601 in words is "one hundred fifty-four million, five thousand, six hundred one".