154455055 has 4 divisors (see below), whose sum is σ = 185346072. Its totient is φ = 123564040.

The previous prime is 154455053. The next prime is 154455061. The reversal of 154455055 is 550554451.

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

It is not a de Polignac number, because 154455055 - 2¹ = 154455053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154455055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154455053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15445501 + ... + 15445510.

It is an arithmetic number, because the mean of its divisors is an integer number (46336518).

Almost surely, 2^154455055 is an apocalyptic number.

154455055 is a deficient number, since it is larger than the sum of its proper divisors (30891017).

154455055 is an equidigital number, since it uses as much as digits as its factorization.

154455055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30891016.

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 154455055 is about 12427.9948101051. The cubic root of 154455055 is about 536.5382752072.

The spelling of 154455055 in words is "one hundred fifty-four million, four hundred fifty-five thousand, fifty-five".