154324042140551 has 2 divisors, whose sum is σ = 154324042140552. Its totient is φ = 154324042140550.

The previous prime is 154324042140547. The next prime is 154324042140557. The reversal of 154324042140551 is 155041240423451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154324042140551 - 2² = 154324042140547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 154324042140499 and 154324042140508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154324042140557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77162021070275 + 77162021070276.

It is an arithmetic number, because the mean of its divisors is an integer number (77162021070276).

Almost surely, 2^{154324042140551} is an apocalyptic number.

154324042140551 is a deficient number, since it is larger than the sum of its proper divisors (1).

154324042140551 is an equidigital number, since it uses as much as digits as its factorization.

154324042140551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384000, while the sum is 41.

The spelling of 154324042140551 in words is "one hundred fifty-four trillion, three hundred twenty-four billion, forty-two million, one hundred forty thousand, five hundred fifty-one".