154134431417 has 2 divisors, whose sum is σ = 154134431418. Its totient is φ = 154134431416.

The previous prime is 154134431413. The next prime is 154134431459. The reversal of 154134431417 is 714134431451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147593504041 + 6540927376 = 384179^2 + 80876^2 .

It is a cyclic number.

It is not a de Polignac number, because 154134431417 - 2² = 154134431413 is a prime.

It is not a weakly prime, because it can be changed into another prime (154134431413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067215708 + 77067215709.

It is an arithmetic number, because the mean of its divisors is an integer number (77067215709).

Almost surely, 2^154134431417 is an apocalyptic number.

It is an amenable number.

154134431417 is a deficient number, since it is larger than the sum of its proper divisors (1).

154134431417 is an equidigital number, since it uses as much as digits as its factorization.

154134431417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

Adding to 154134431417 its reverse (714134431451), we get a palindrome (868268862868).

The spelling of 154134431417 in words is "one hundred fifty-four billion, one hundred thirty-four million, four hundred thirty-one thousand, four hundred seventeen".