154021414 has 8 divisors (see below), whose sum is σ = 231192360. Its totient is φ = 76957296.

The previous prime is 154021393. The next prime is 154021451. The reversal of 154021414 is 414120451.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 22999 + ... + 28930.

It is an arithmetic number, because the mean of its divisors is an integer number (28899045).

Almost surely, 2^154021414 is an apocalyptic number.

154021414 is a deficient number, since it is larger than the sum of its proper divisors (77170946).

154021414 is a wasteful number, since it uses less digits than its factorization.

154021414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53414.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 154021414 is about 12410.5364106472. The cubic root of 154021414 is about 536.0356843956.

Adding to 154021414 its reverse (414120451), we get a palindrome (568141865).

The spelling of 154021414 in words is "one hundred fifty-four million, twenty-one thousand, four hundred fourteen".