154845428 has 6 divisors (see below), whose sum is σ = 270979506. Its totient is φ = 77422712.

The previous prime is 154845409. The next prime is 154845433. The reversal of 154845428 is 824548451.

It can be written as a sum of positive squares in only one way, i.e., 144528484 + 10316944 = 12022^2 + 3212^2 .

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 as a sum of consecutive naturals, namely, 19355675 + ... + 19355682.

It is an arithmetic number, because the mean of its divisors is an integer number (45163251).

Almost surely, 2^154845428 is an apocalyptic number.

It is an amenable number.

154845428 is a deficient number, since it is larger than the sum of its proper divisors (116134078).

154845428 is a wasteful number, since it uses less digits than its factorization.

154845428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38711361 (or 38711359 counting only the distinct ones).

The product of its digits is 204800, while the sum is 41.

The square root of 154845428 is about 12443.6902886563. The cubic root of 154845428 is about 536.9899143529.

The spelling of 154845428 in words is "one hundred fifty-four million, eight hundred forty-five thousand, four hundred twenty-eight".