154021233122041 has 8 divisors (see below), whose sum is σ = 157778124482664. Its totient is φ = 150264354900480.

The previous prime is 154021233122033. The next prime is 154021233122111. The reversal of 154021233122041 is 140221332120451.

It can be written as a sum of positive squares in 4 ways, for example, as 1209606232041 + 152811626890000 = 1099821^2 + 12361700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154021233122041 - 2³ = 154021233122033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154021233121994 and 154021233122012.

It is not an unprimeable number, because it can be changed into a prime (154021233122741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22975501 + ... + 28912213.

It is an arithmetic number, because the mean of its divisors is an integer number (19722265560333).

Almost surely, 2^{154021233122041} is an apocalyptic number.

It is an amenable number.

154021233122041 is a deficient number, since it is larger than the sum of its proper divisors (3756891360623).

154021233122041 is an equidigital number, since it uses as much as digits as its factorization.

154021233122041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6569531.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 154021233122041 its reverse (140221332120451), we get a palindrome (294242565242492).

The spelling of 154021233122041 in words is "one hundred fifty-four trillion, twenty-one billion, two hundred thirty-three million, one hundred twenty-two thousand, forty-one".