154223646 has 16 divisors (see below), whose sum is σ = 324681600. Its totient is φ = 48702168.

The previous prime is 154223633. The next prime is 154223683. The reversal of 154223646 is 646322451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676306 + ... + 676533.

It is an arithmetic number, because the mean of its divisors is an integer number (20292600).

Almost surely, 2^154223646 is an apocalyptic number.

154223646 is an abundant number, since it is smaller than the sum of its proper divisors (170457954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

154223646 is a wasteful number, since it uses less digits than its factorization.

154223646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352863.

The product of its digits is 34560, while the sum is 33.

The square root of 154223646 is about 12418.6813309626. The cubic root of 154223646 is about 536.2701889259.

The spelling of 154223646 in words is "one hundred fifty-four million, two hundred twenty-three thousand, six hundred forty-six".