154848891 has 16 divisors (see below), whose sum is σ = 212305280. Its totient is φ = 100336320.

The previous prime is 154848887. The next prime is 154848899. The reversal of 154848891 is 198848451.

It is not a de Polignac number, because 154848891 - 2² = 154848887 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 154848891.

It is not an unprimeable number, because it can be changed into a prime (154848899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24375 + ... + 30063.

It is an arithmetic number, because the mean of its divisors is an integer number (13269080).

Almost surely, 2^154848891 is an apocalyptic number.

154848891 is a deficient number, since it is larger than the sum of its proper divisors (57456389).

154848891 is a wasteful number, since it uses less digits than its factorization.

154848891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946.

The product of its digits is 368640, while the sum is 48.

The square root of 154848891 is about 12443.8294347038. The cubic root of 154848891 is about 536.9939174465.

The spelling of 154848891 in words is "one hundred fifty-four million, eight hundred forty-eight thousand, eight hundred ninety-one".