154530422 has 12 divisors (see below), whose sum is σ = 242313540. Its totient is φ = 73905348.

The previous prime is 154530419. The next prime is 154530451. The reversal of 154530422 is 224035451.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 154530391 and 154530400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 71972 + ... + 74087.

It is an arithmetic number, because the mean of its divisors is an integer number (20192795).

Almost surely, 2^154530422 is an apocalyptic number.

154530422 is a deficient number, since it is larger than the sum of its proper divisors (87783118).

154530422 is a wasteful number, since it uses less digits than its factorization.

154530422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146107 (or 146084 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 154530422 is about 12431.0265867305. The cubic root of 154530422 is about 536.6255297266.

Adding to 154530422 its reverse (224035451), we get a palindrome (378565873).

The spelling of 154530422 in words is "one hundred fifty-four million, five hundred thirty thousand, four hundred twenty-two".