154375543127497 has 2 divisors, whose sum is σ = 154375543127498. Its totient is φ = 154375543127496.

The previous prime is 154375543127459. The next prime is 154375543127513. The reversal of 154375543127497 is 794721345573451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 139557270126096 + 14818273001401 = 11813436^2 + 3849451^2 .

It is a cyclic number.

It is not a de Polignac number, because 154375543127497 - 2³⁹ = 153825787313609 is a prime.

It is not a weakly prime, because it can be changed into another prime (154375543128497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77187771563748 + 77187771563749.

It is an arithmetic number, because the mean of its divisors is an integer number (77187771563749).

Almost surely, 2^{154375543127497} is an apocalyptic number.

It is an amenable number.

154375543127497 is a deficient number, since it is larger than the sum of its proper divisors (1).

154375543127497 is an equidigital number, since it uses as much as digits as its factorization.

154375543127497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 444528000, while the sum is 67.

The spelling of 154375543127497 in words is "one hundred fifty-four trillion, three hundred seventy-five billion, five hundred forty-three million, one hundred twenty-seven thousand, four hundred ninety-seven".