154556042 has 8 divisors (see below), whose sum is σ = 232804800. Its totient is φ = 76954444.

The previous prime is 154556041. The next prime is 154556057. The reversal of 154556042 is 240655451.

154556042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (154556041) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 161192 + ... + 162147.

It is an arithmetic number, because the mean of its divisors is an integer number (29100600).

Almost surely, 2^154556042 is an apocalyptic number.

154556042 is a deficient number, since it is larger than the sum of its proper divisors (78248758).

154556042 is a wasteful number, since it uses less digits than its factorization.

154556042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323580.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 154556042 is about 12432.0570301137. The cubic root of 154556042 is about 536.6551842680.

The spelling of 154556042 in words is "one hundred fifty-four million, five hundred fifty-six thousand, forty-two".