154354335020401 has 4 divisors (see below), whose sum is σ = 155028371418100. Its totient is φ = 153680298622704.

The previous prime is 154354335020399. The next prime is 154354335020467. The reversal of 154354335020401 is 104020533453451.

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 142485379852176 + 11868955168225 = 11936724^2 + 3445135^2 .

It is a cyclic number.

It is not a de Polignac number, because 154354335020401 - 2¹ = 154354335020399 is a prime.

It is a super-3 number, since 3×154354335020401³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154354335000401) 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, 337018198506 + ... + 337018198963.

It is an arithmetic number, because the mean of its divisors is an integer number (38757092854525).

Almost surely, 2^{154354335020401} is an apocalyptic number.

It is an amenable number.

154354335020401 is a deficient number, since it is larger than the sum of its proper divisors (674036397699).

154354335020401 is an equidigital number, since it uses as much as digits as its factorization.

154354335020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674036397698.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 154354335020401 its reverse (104020533453451), we get a palindrome (258374868473852).

The spelling of 154354335020401 in words is "one hundred fifty-four trillion, three hundred fifty-four billion, three hundred thirty-five million, twenty thousand, four hundred one".