154253042205331 has 2 divisors, whose sum is σ = 154253042205332. Its totient is φ = 154253042205330.

The previous prime is 154253042205193. The next prime is 154253042205397. The reversal of 154253042205331 is 133502240352451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154253042205331 - 2³⁷ = 154115603251859 is a prime.

It is a super-2 number, since 2×154253042205331² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154253042205631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77126521102665 + 77126521102666.

It is an arithmetic number, because the mean of its divisors is an integer number (77126521102666).

Almost surely, 2^{154253042205331} is an apocalyptic number.

154253042205331 is a deficient number, since it is larger than the sum of its proper divisors (1).

154253042205331 is an equidigital number, since it uses as much as digits as its factorization.

154253042205331 is an odious number, because the sum of its binary digits is odd.

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

Adding to 154253042205331 its reverse (133502240352451), we get a palindrome (287755282557782).

The spelling of 154253042205331 in words is "one hundred fifty-four trillion, two hundred fifty-three billion, forty-two million, two hundred five thousand, three hundred thirty-one".