154133422 has 4 divisors (see below), whose sum is σ = 231200136. Its totient is φ = 77066710.

The previous prime is 154133383. The next prime is 154133431. The reversal of 154133422 is 224331451.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×154133422² = 47514223554860168, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 38533354 + ... + 38533357.

It is an arithmetic number, because the mean of its divisors is an integer number (57800034).

Almost surely, 2^154133422 is an apocalyptic number.

154133422 is a deficient number, since it is larger than the sum of its proper divisors (77066714).

154133422 is an equidigital number, since it uses as much as digits as its factorization.

154133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77066713.

The product of its digits is 2880, while the sum is 25.

The square root of 154133422 is about 12415.0482077195. The cubic root of 154133422 is about 536.1655921684.

Adding to 154133422 its reverse (224331451), we get a palindrome (378464873).

The spelling of 154133422 in words is "one hundred fifty-four million, one hundred thirty-three thousand, four hundred twenty-two".