154406214 has 12 divisors (see below), whose sum is σ = 334546836. Its totient is φ = 51468732.

The previous prime is 154406209. The next prime is 154406221. The reversal of 154406214 is 412604451.

154406214 is a `hidden beast` number, since 1 + 5 + 440 + 6 + 214 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4289044 + ... + 4289079.

It is an arithmetic number, because the mean of its divisors is an integer number (27878903).

Almost surely, 2^154406214 is an apocalyptic number.

154406214 is an abundant number, since it is smaller than the sum of its proper divisors (180140622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154406214 is a wasteful number, since it uses less digits than its factorization.

154406214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578131 (or 8578128 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 154406214 is about 12426.0296957636. The cubic root of 154406214 is about 536.4817154343.

The spelling of 154406214 in words is "one hundred fifty-four million, four hundred six thousand, two hundred fourteen".