154272155 has 16 divisors (see below), whose sum is σ = 195359040. Its totient is φ = 116717568.

The previous prime is 154272143. The next prime is 154272187. The reversal of 154272155 is 551272451.

It is a cyclic number.

It is not a de Polignac number, because 154272155 - 2¹⁴ = 154255771 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2699 + ... + 17771.

It is an arithmetic number, because the mean of its divisors is an integer number (12209940).

Almost surely, 2^154272155 is an apocalyptic number.

154272155 is a deficient number, since it is larger than the sum of its proper divisors (41086885).

154272155 is a wasteful number, since it uses less digits than its factorization.

154272155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15190.

The product of its digits is 14000, while the sum is 32.

The square root of 154272155 is about 12420.6342430650. The cubic root of 154272155 is about 536.3264085876.

The spelling of 154272155 in words is "one hundred fifty-four million, two hundred seventy-two thousand, one hundred fifty-five".