154148219 has 2 divisors, whose sum is σ = 154148220. Its totient is φ = 154148218.

The previous prime is 154148201. The next prime is 154148227. The reversal of 154148219 is 912841451.

154148219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 154148219 - 2¹⁶ = 154082683 is a prime.

It is a super-2 number, since 2×154148219² = 47523346841743922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (154148279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77074109 + 77074110.

It is an arithmetic number, because the mean of its divisors is an integer number (77074110).

Almost surely, 2^154148219 is an apocalyptic number.

154148219 is a deficient number, since it is larger than the sum of its proper divisors (1).

154148219 is an equidigital number, since it uses as much as digits as its factorization.

154148219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 35.

The square root of 154148219 is about 12415.6441234436. The cubic root of 154148219 is about 536.1827491404.

The spelling of 154148219 in words is "one hundred fifty-four million, one hundred forty-eight thousand, two hundred nineteen".