154261456654 has 4 divisors (see below), whose sum is σ = 231392184984. Its totient is φ = 77130728326.

The previous prime is 154261456649. The next prime is 154261456721. The reversal of 154261456654 is 456654162451.

154261456654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 154261456598 and 154261456607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38565364162 + ... + 38565364165.

It is an arithmetic number, because the mean of its divisors is an integer number (57848046246).

Almost surely, 2^154261456654 is an apocalyptic number.

154261456654 is a deficient number, since it is larger than the sum of its proper divisors (77130728330).

154261456654 is an equidigital number, since it uses as much as digits as its factorization.

154261456654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77130728329.

The product of its digits is 3456000, while the sum is 49.

The spelling of 154261456654 in words is "one hundred fifty-four billion, two hundred sixty-one million, four hundred fifty-six thousand, six hundred fifty-four".