154427388 has 48 divisors (see below), whose sum is σ = 382846464. Its totient is φ = 48280320.

The previous prime is 154427369. The next prime is 154427401. The reversal of 154427388 is 883724451.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66381 + ... + 68667.

It is an arithmetic number, because the mean of its divisors is an integer number (7975968).

Almost surely, 2^154427388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154427388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191423232).

154427388 is an abundant number, since it is smaller than the sum of its proper divisors (228419076).

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

154427388 is a wasteful number, since it uses less digits than its factorization.

154427388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642 (or 2640 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 154427388 is about 12426.8816683833. The cubic root of 154427388 is about 536.5062372121.

The spelling of 154427388 in words is "one hundred fifty-four million, four hundred twenty-seven thousand, three hundred eighty-eight".