154142666455 has 4 divisors (see below), whose sum is σ = 184971199752. Its totient is φ = 123314133160.

The previous prime is 154142666437. The next prime is 154142666501. The reversal of 154142666455 is 554666241451.

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

It is not a de Polignac number, because 154142666455 - 2¹¹ = 154142664407 is a prime.

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 Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 154142666399 and 154142666408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15414266641 + ... + 15414266650.

It is an arithmetic number, because the mean of its divisors is an integer number (46242799938).

Almost surely, 2^154142666455 is an apocalyptic number.

154142666455 is a deficient number, since it is larger than the sum of its proper divisors (30828533297).

154142666455 is an equidigital number, since it uses as much as digits as its factorization.

154142666455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30828533296.

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

The spelling of 154142666455 in words is "one hundred fifty-four billion, one hundred forty-two million, six hundred sixty-six thousand, four hundred fifty-five".