154659389459 has 4 divisors (see below), whose sum is σ = 154885831416. Its totient is φ = 154432947504.

The previous prime is 154659389399. The next prime is 154659389551. The reversal of 154659389459 is 954983956451.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 154659389459 - 2³² = 150364422163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154659389959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113219954 + ... + 113221319.

It is an arithmetic number, because the mean of its divisors is an integer number (38721457854).

Almost surely, 2^154659389459 is an apocalyptic number.

154659389459 is a deficient number, since it is larger than the sum of its proper divisors (226441957).

154659389459 is an equidigital number, since it uses as much as digits as its factorization.

154659389459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226441956.

The product of its digits is 209952000, while the sum is 68.

The spelling of 154659389459 in words is "one hundred fifty-four billion, six hundred fifty-nine million, three hundred eighty-nine thousand, four hundred fifty-nine".