154134431459 has 2 divisors, whose sum is σ = 154134431460. Its totient is φ = 154134431458.

The previous prime is 154134431417. The next prime is 154134431489. The reversal of 154134431459 is 954134431451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154134431459 - 2⁸ = 154134431203 is a prime.

It is a super-2 number, since 2×154134431459² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154134431489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77067215729 + 77067215730.

It is an arithmetic number, because the mean of its divisors is an integer number (77067215730).

Almost surely, 2^154134431459 is an apocalyptic number.

154134431459 is a deficient number, since it is larger than the sum of its proper divisors (1).

154134431459 is an equidigital number, since it uses as much as digits as its factorization.

154134431459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 44.

The spelling of 154134431459 in words is "one hundred fifty-four billion, one hundred thirty-four million, four hundred thirty-one thousand, four hundred fifty-nine".