154238894 has 8 divisors (see below), whose sum is σ = 231735168. Its totient is φ = 76993840.

The previous prime is 154238881. The next prime is 154238899. The reversal of 154238894 is 498832451.

It is a happy number.

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

It is a super-3 number, since 3×154238894³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154238899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61262 + ... + 63729.

It is an arithmetic number, because the mean of its divisors is an integer number (28966896).

Almost surely, 2^154238894 is an apocalyptic number.

154238894 is a deficient number, since it is larger than the sum of its proper divisors (77496274).

154238894 is a wasteful number, since it uses less digits than its factorization.

154238894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125610.

The product of its digits is 276480, while the sum is 44.

The square root of 154238894 is about 12419.2952296014. The cubic root of 154238894 is about 536.2878619148.

The spelling of 154238894 in words is "one hundred fifty-four million, two hundred thirty-eight thousand, eight hundred ninety-four".