154660442 has 8 divisors (see below), whose sum is σ = 232545600. Its totient is φ = 77145244.

The previous prime is 154660439. The next prime is 154660447. The reversal of 154660442 is 244066451.

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

It is a junction number, because it is equal to n+sod(n) for n = 154660399 and 154660408.

It is not an unprimeable number, because it can be changed into a prime (154660447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 91442 + ... + 93117.

It is an arithmetic number, because the mean of its divisors is an integer number (29068200).

Almost surely, 2^154660442 is an apocalyptic number.

154660442 is a deficient number, since it is larger than the sum of its proper divisors (77885158).

154660442 is a wasteful number, since it uses less digits than its factorization.

154660442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184980.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 154660442 is about 12436.2551437320. The cubic root of 154660442 is about 536.7759909134.

The spelling of 154660442 in words is "one hundred fifty-four million, six hundred sixty thousand, four hundred forty-two".