154484387 has 2 divisors, whose sum is σ = 154484388. Its totient is φ = 154484386.

The previous prime is 154484381. The next prime is 154484401. The reversal of 154484387 is 783484451.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 154484387 - 2⁴ = 154484371 is a prime.

It is not a weakly prime, because it can be changed into another prime (154484381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77242193 + 77242194.

It is an arithmetic number, because the mean of its divisors is an integer number (77242194).

Almost surely, 2^154484387 is an apocalyptic number.

154484387 is a deficient number, since it is larger than the sum of its proper divisors (1).

154484387 is an equidigital number, since it uses as much as digits as its factorization.

154484387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 430080, while the sum is 44.

The square root of 154484387 is about 12429.1748318221. The cubic root of 154484387 is about 536.5722370709.

The spelling of 154484387 in words is "one hundred fifty-four million, four hundred eighty-four thousand, three hundred eighty-seven".