154445000155 has 4 divisors (see below), whose sum is σ = 185334000192. Its totient is φ = 123556000120.

The previous prime is 154445000147. The next prime is 154445000197. The reversal of 154445000155 is 551000544451.

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

It is not a de Polignac number, because 154445000155 - 2³ = 154445000147 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 154445000155.

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, 15444500011 + ... + 15444500020.

It is an arithmetic number, because the mean of its divisors is an integer number (46333500048).

Almost surely, 2^154445000155 is an apocalyptic number.

154445000155 is a deficient number, since it is larger than the sum of its proper divisors (30889000037).

154445000155 is an equidigital number, since it uses as much as digits as its factorization.

154445000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30889000036.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 154445000155 in words is "one hundred fifty-four billion, four hundred forty-five million, one hundred fifty-five", and thus it is an aban number.