154405055 has 8 divisors (see below), whose sum is σ = 211755552. Its totient is φ = 105877728.

The previous prime is 154405037. The next prime is 154405061. The reversal of 154405055 is 550504451.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 154405055 - 2⁸ = 154404799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2205752 + ... + 2205821.

It is an arithmetic number, because the mean of its divisors is an integer number (26469444).

Almost surely, 2^154405055 is an apocalyptic number.

154405055 is a deficient number, since it is larger than the sum of its proper divisors (57350497).

154405055 is an equidigital number, since it uses as much as digits as its factorization.

154405055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4411585.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 154405055 is about 12425.9830597020. The cubic root of 154405055 is about 536.4803731224.

The spelling of 154405055 in words is "one hundred fifty-four million, four hundred five thousand, fifty-five".