154225211 has 8 divisors (see below), whose sum is σ = 176826624. Its totient is φ = 131766120.

The previous prime is 154225187. The next prime is 154225237. The reversal of 154225211 is 112522451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154225211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154225811) 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, 33245 + ... + 37598.

It is an arithmetic number, because the mean of its divisors is an integer number (22103328).

Almost surely, 2^154225211 is an apocalyptic number.

154225211 is a deficient number, since it is larger than the sum of its proper divisors (22601413).

154225211 is an equidigital number, since it uses as much as digits as its factorization.

154225211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71161.

The product of its digits is 800, while the sum is 23.

The square root of 154225211 is about 12418.7443407134. The cubic root of 154225211 is about 536.2720028717.

Adding to 154225211 its reverse (112522451), we get a palindrome (266747662).

The spelling of 154225211 in words is "one hundred fifty-four million, two hundred twenty-five thousand, two hundred eleven".