154801928 has 16 divisors (see below), whose sum is σ = 290388780. Its totient is φ = 77364928.

The previous prime is 154801921. The next prime is 154801931. The reversal of 154801928 is 829108451.

It can be written as a sum of positive squares in 2 ways, for example, as 112317604 + 42484324 = 10598^2 + 6518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154801891 and 154801900.

It is not an unprimeable number, because it can be changed into a prime (154801921) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25526 + ... + 31002.

Almost surely, 2^154801928 is an apocalyptic number.

It is an amenable number.

154801928 is a deficient number, since it is larger than the sum of its proper divisors (135586852).

154801928 is a wasteful number, since it uses less digits than its factorization.

154801928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9016 (or 9012 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 154801928 is about 12441.9422921021. The cubic root of 154801928 is about 536.9396249572.

The spelling of 154801928 in words is "one hundred fifty-four million, eight hundred one thousand, nine hundred twenty-eight".