154263630646 has 8 divisors (see below), whose sum is σ = 232815050424. Its totient is φ = 76658613840.

The previous prime is 154263630643. The next prime is 154263630659. The reversal of 154263630646 is 646036362451.

154263630646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 154263630596 and 154263630605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154263630641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236600335 + ... + 236600986.

It is an arithmetic number, because the mean of its divisors is an integer number (29101881303).

Almost surely, 2^154263630646 is an apocalyptic number.

154263630646 is a deficient number, since it is larger than the sum of its proper divisors (78551419778).

154263630646 is a wasteful number, since it uses less digits than its factorization.

154263630646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473201486.

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 154263630646 in words is "one hundred fifty-four billion, two hundred sixty-three million, six hundred thirty thousand, six hundred forty-six".