154645055 has 4 divisors (see below), whose sum is σ = 185574072. Its totient is φ = 123716040.

The previous prime is 154645037. The next prime is 154645069. The reversal of 154645055 is 550546451.

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

It is not a de Polignac number, because 154645055 - 2⁶ = 154644991 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15464501 + ... + 15464510.

It is an arithmetic number, because the mean of its divisors is an integer number (46393518).

Almost surely, 2^154645055 is an apocalyptic number.

154645055 is a deficient number, since it is larger than the sum of its proper divisors (30929017).

154645055 is an equidigital number, since it uses as much as digits as its factorization.

154645055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30929016.

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 154645055 is about 12435.6364935616. The cubic root of 154645055 is about 536.7581892356.

The spelling of 154645055 in words is "one hundred fifty-four million, six hundred forty-five thousand, fifty-five".