154530442 has 16 divisors (see below), whose sum is σ = 267743232. Its totient is φ = 66109120.

The previous prime is 154530419. The next prime is 154530451. The reversal of 154530442 is 244035451.

154530442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 154530442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206218 + ... + 206965.

It is an arithmetic number, because the mean of its divisors is an integer number (16733952).

Almost surely, 2^154530442 is an apocalyptic number.

154530442 is a deficient number, since it is larger than the sum of its proper divisors (113212790).

154530442 is a wasteful number, since it uses less digits than its factorization.

154530442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413213.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 154530442 is about 12431.0273911692. The cubic root of 154530442 is about 536.6255528774.

Adding to 154530442 its reverse (244035451), we get a palindrome (398565893).

The spelling of 154530442 in words is "one hundred fifty-four million, five hundred thirty thousand, four hundred forty-two".