154045442 has 16 divisors (see below), whose sum is σ = 233763840. Its totient is φ = 76128192.

The previous prime is 154045433. The next prime is 154045457. The reversal of 154045442 is 244540451.

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, 107543 + ... + 108965.

It is an arithmetic number, because the mean of its divisors is an integer number (14610240).

Almost surely, 2^154045442 is an apocalyptic number.

154045442 is a deficient number, since it is larger than the sum of its proper divisors (79718398).

154045442 is a wasteful number, since it uses less digits than its factorization.

154045442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 154045442 is about 12411.5044213020. The cubic root of 154045442 is about 536.0635575668.

Adding to 154045442 its reverse (244540451), we get a palindrome (398585893).

The spelling of 154045442 in words is "one hundred fifty-four million, forty-five thousand, four hundred forty-two".