154304042 has 16 divisors (see below), whose sum is σ = 235084680. Its totient is φ = 75946752.

The previous prime is 154304027. The next prime is 154304047. The reversal of 154304042 is 240403451.

154304042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85729081 + 68574961 = 9259^2 + 8281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 154303999 and 154304017.

It is not an unprimeable number, because it can be changed into a prime (154304047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138584 + ... + 139692.

Almost surely, 2^154304042 is an apocalyptic number.

154304042 is a deficient number, since it is larger than the sum of its proper divisors (80780638).

154304042 is a wasteful number, since it uses less digits than its factorization.

154304042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 154304042 is about 12421.9178068445. The cubic root of 154304042 is about 536.3633577097.

Adding to 154304042 its reverse (240403451), we get a palindrome (394707493).

The spelling of 154304042 in words is "one hundred fifty-four million, three hundred four thousand, forty-two".