154214419 has 2 divisors, whose sum is σ = 154214420. Its totient is φ = 154214418.

The previous prime is 154214413. The next prime is 154214479. The reversal of 154214419 is 914412451.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-154214419 is a prime.

It is a super-2 number, since 2×154214419² = 47564174055015122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (154214413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77107209 + 77107210.

It is an arithmetic number, because the mean of its divisors is an integer number (77107210).

Almost surely, 2^154214419 is an apocalyptic number.

154214419 is a deficient number, since it is larger than the sum of its proper divisors (1).

154214419 is an equidigital number, since it uses as much as digits as its factorization.

154214419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The square root of 154214419 is about 12418.3098286361. The cubic root of 154214419 is about 536.2594939302.

The spelling of 154214419 in words is "one hundred fifty-four million, two hundred fourteen thousand, four hundred nineteen".