33454144 has 28 divisors (see below), whose sum is σ = 69274944. Its totient is φ = 15999104.

The previous prime is 33454123. The next prime is 33454151. The reversal of 33454144 is 44145433.

It is a super-2 number, since 2×33454144² = 2238359501545472, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9892 + ... + 12835.

Almost surely, 2^33454144 is an apocalyptic number.

It is an amenable number.

33454144 is an abundant number, since it is smaller than the sum of its proper divisors (35820800).

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

33454144 is a wasteful number, since it uses less digits than its factorization.

33454144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22762 (or 22752 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 33454144 is about 5783.9557398030. The cubic root of 33454144 is about 322.2181308152.

Adding to 33454144 its reverse (44145433), we get a palindrome (77599577).

The spelling of 33454144 in words is "thirty-three million, four hundred fifty-four thousand, one hundred forty-four".