154142005487 has 2 divisors, whose sum is σ = 154142005488. Its totient is φ = 154142005486.

The previous prime is 154142005403. The next prime is 154142005499. The reversal of 154142005487 is 784500241451.

It is a strong prime.

It is an emirp because it is prime and its reverse (784500241451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154142005487 - 2⁸ = 154142005231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154142005187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77071002743 + 77071002744.

It is an arithmetic number, because the mean of its divisors is an integer number (77071002744).

Almost surely, 2^154142005487 is an apocalyptic number.

154142005487 is a deficient number, since it is larger than the sum of its proper divisors (1).

154142005487 is an equidigital number, since it uses as much as digits as its factorization.

154142005487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 179200, while the sum is 41.

The spelling of 154142005487 in words is "one hundred fifty-four billion, one hundred forty-two million, five thousand, four hundred eighty-seven".