154968155 has 8 divisors (see below), whose sum is σ = 186139392. Its totient is φ = 123856128.

The previous prime is 154968137. The next prime is 154968157. The reversal of 154968155 is 551869451.

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 154968155 - 2⁸ = 154967899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154968157) by changing a digit.

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, 8822 + ... + 19691.

It is an arithmetic number, because the mean of its divisors is an integer number (23267424).

Almost surely, 2^154968155 is an apocalyptic number.

154968155 is a deficient number, since it is larger than the sum of its proper divisors (31171237).

154968155 is a wasteful number, since it uses less digits than its factorization.

154968155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29605.

The product of its digits is 216000, while the sum is 44.

The square root of 154968155 is about 12448.6206063162. The cubic root of 154968155 is about 537.1317455942.

The spelling of 154968155 in words is "one hundred fifty-four million, nine hundred sixty-eight thousand, one hundred fifty-five".