154055442686 has 8 divisors (see below), whose sum is σ = 243245435880. Its totient is φ = 72973630728.

The previous prime is 154055442683. The next prime is 154055442691. The reversal of 154055442686 is 686244550451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154055442683) 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, 2027045261 + ... + 2027045336.

It is an arithmetic number, because the mean of its divisors is an integer number (30405679485).

Almost surely, 2^154055442686 is an apocalyptic number.

154055442686 is a deficient number, since it is larger than the sum of its proper divisors (89189993194).

154055442686 is a wasteful number, since it uses less digits than its factorization.

154055442686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054090618.

The product of its (nonzero) digits is 4608000, while the sum is 50.

The spelling of 154055442686 in words is "one hundred fifty-four billion, fifty-five million, four hundred forty-two thousand, six hundred eighty-six".