154000155 has 16 divisors (see below), whose sum is σ = 246583584. Its totient is φ = 82072320.

The previous prime is 154000123. The next prime is 154000159. The reversal of 154000155 is 551000451.

It is not a de Polignac number, because 154000155 - 2⁵ = 154000123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (154000159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23167 + ... + 29063.

It is an arithmetic number, because the mean of its divisors is an integer number (15411474).

Almost surely, 2^154000155 is an apocalyptic number.

154000155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

154000155 is a deficient number, since it is larger than the sum of its proper divisors (92583429).

154000155 is a wasteful number, since it uses less digits than its factorization.

154000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 154000155 is about 12409.6798911173. The cubic root of 154000155 is about 536.0110209270.

The spelling of 154000155 in words is "one hundred fifty-four million, one hundred fifty-five", and thus it is an aban number.