154225243 has 2 divisors, whose sum is σ = 154225244. Its totient is φ = 154225242.

The previous prime is 154225237. The next prime is 154225249. The reversal of 154225243 is 342522451.

It is a balanced prime because it is at equal distance from previous prime (154225237) and next prime (154225249).

It is a cyclic number.

It is not a de Polignac number, because 154225243 - 2²¹ = 152128091 is a prime.

It is not a weakly prime, because it can be changed into another prime (154225249) 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 as a sum of consecutive naturals, namely, 77112621 + 77112622.

It is an arithmetic number, because the mean of its divisors is an integer number (77112622).

Almost surely, 2^154225243 is an apocalyptic number.

154225243 is a deficient number, since it is larger than the sum of its proper divisors (1).

154225243 is an equidigital number, since it uses as much as digits as its factorization.

154225243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600, while the sum is 28.

The square root of 154225243 is about 12418.7456290883. The cubic root of 154225243 is about 536.2720399618.

Adding to 154225243 its reverse (342522451), we get a palindrome (496747694).

The spelling of 154225243 in words is "one hundred fifty-four million, two hundred twenty-five thousand, two hundred forty-three".