154423002355541 has 4 divisors (see below), whose sum is σ = 154423425210912. Its totient is φ = 154422579500172.

The previous prime is 154423002355511. The next prime is 154423002355543. The reversal of 154423002355541 is 145553200324451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 154423002355541 - 2⁴² = 150024955844437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154423002355492 and 154423002355501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154423002355543) 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, 210879425 + ... + 211610438.

It is an arithmetic number, because the mean of its divisors is an integer number (38605856302728).

Almost surely, 2^{154423002355541} is an apocalyptic number.

It is an amenable number.

154423002355541 is a deficient number, since it is larger than the sum of its proper divisors (422855371).

154423002355541 is an equidigital number, since it uses as much as digits as its factorization.

154423002355541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422855370.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 154423002355541 its reverse (145553200324451), we get a palindrome (299976202679992).

The spelling of 154423002355541 in words is "one hundred fifty-four trillion, four hundred twenty-three billion, two million, three hundred fifty-five thousand, five hundred forty-one".