154428768 has 120 divisors (see below), whose sum is σ = 489213648. Its totient is φ = 47506176.

The previous prime is 154428749. The next prime is 154428779. The reversal of 154428768 is 867824451.

154428768 is a `hidden beast` number, since 154 + 428 + 76 + 8 = 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 19 ways as a sum of consecutive naturals, for example, 31405 + ... + 35987.

Almost surely, 2^154428768 is an apocalyptic number.

154428768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154428768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244606824).

154428768 is an abundant number, since it is smaller than the sum of its proper divisors (334784880).

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

154428768 is a wasteful number, since it uses less digits than its factorization.

154428768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4618 (or 4601 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 154428768 is about 12426.9371930496. The cubic root of 154428768 is about 536.5078353233.

The spelling of 154428768 in words is "one hundred fifty-four million, four hundred twenty-eight thousand, seven hundred sixty-eight".