154344242 has 16 divisors (see below), whose sum is σ = 256065432. Its totient is φ = 69310080.

The previous prime is 154344233. The next prime is 154344269. The reversal of 154344242 is 242443451.

It can be written as a sum of positive squares in 4 ways, for example, as 154281241 + 63001 = 12421^2 + 251^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 79259 + ... + 81182.

Almost surely, 2^154344242 is an apocalyptic number.

154344242 is a deficient number, since it is larger than the sum of its proper divisors (101721190).

154344242 is a wasteful number, since it uses less digits than its factorization.

154344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160493.

The product of its digits is 15360, while the sum is 29.

The square root of 154344242 is about 12423.5358091004. The cubic root of 154344242 is about 536.4099322831.

Adding to 154344242 its reverse (242443451), we get a palindrome (396787693).

The spelling of 154344242 in words is "one hundred fifty-four million, three hundred forty-four thousand, two hundred forty-two".