154938894 has 16 divisors (see below), whose sum is σ = 338048640. Its totient is φ = 46951160.

The previous prime is 154938893. The next prime is 154938913. The reversal of 154938894 is 498839451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154938893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1173714 + ... + 1173845.

It is an arithmetic number, because the mean of its divisors is an integer number (21128040).

Almost surely, 2^154938894 is an apocalyptic number.

154938894 is an abundant number, since it is smaller than the sum of its proper divisors (183109746).

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

154938894 is a wasteful number, since it uses less digits than its factorization.

154938894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347575.

The product of its digits is 1244160, while the sum is 51.

The square root of 154938894 is about 12447.4452800565. The cubic root of 154938894 is about 537.0979364946.

The spelling of 154938894 in words is "one hundred fifty-four million, nine hundred thirty-eight thousand, eight hundred ninety-four".