154131928 has 32 divisors (see below), whose sum is σ = 307812960. Its totient is φ = 72102400.

The previous prime is 154131917. The next prime is 154131931. The reversal of 154131928 is 829131451.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 154131893 and 154131902.

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 7 ways as a sum of consecutive naturals, for example, 20253 + ... + 26803.

It is an arithmetic number, because the mean of its divisors is an integer number (9619155).

Almost surely, 2^154131928 is an apocalyptic number.

It is an amenable number.

154131928 is a deficient number, since it is larger than the sum of its proper divisors (153681032).

154131928 is a wasteful number, since it uses less digits than its factorization.

154131928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747 (or 6743 counting only the distinct ones).

The product of its digits is 8640, while the sum is 34.

The square root of 154131928 is about 12414.9880386571. The cubic root of 154131928 is about 536.1638598295.

The spelling of 154131928 in words is "one hundred fifty-four million, one hundred thirty-one thousand, nine hundred twenty-eight".