154427234404 has 12 divisors (see below), whose sum is σ = 270531242604. Its totient is φ = 77132593664.

The previous prime is 154427234267. The next prime is 154427234417. The reversal of 154427234404 is 404432724451.

It can be written as a sum of positive squares in 2 ways, for example, as 21383212900 + 133044021504 = 146230^2 + 364752^2 .

It is a super-2 number, since 2×154427234404² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 20251597 + ... + 20259220.

It is an arithmetic number, because the mean of its divisors is an integer number (22544270217).

Almost surely, 2^154427234404 is an apocalyptic number.

It is an amenable number.

154427234404 is a deficient number, since it is larger than the sum of its proper divisors (116104008200).

154427234404 is a wasteful number, since it uses less digits than its factorization.

154427234404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40511774 (or 40511772 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 40.

Adding to 154427234404 its reverse (404432724451), we get a palindrome (558859958855).

The spelling of 154427234404 in words is "one hundred fifty-four billion, four hundred twenty-seven million, two hundred thirty-four thousand, four hundred four".