33554945 has 8 divisors (see below), whose sum is σ = 41122944. Its totient is φ = 26272624.

The previous prime is 33554929. The next prime is 33554951. The reversal of 33554945 is 54945533.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33554945 - 2⁴ = 33554929 is a prime.

It is a super-2 number, since 2×33554945² = 2251868667906050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33554899 and 33554908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71159 + ... + 71628.

It is an arithmetic number, because the mean of its divisors is an integer number (5140368).

Almost surely, 2^33554945 is an apocalyptic number.

It is an amenable number.

33554945 is a deficient number, since it is larger than the sum of its proper divisors (7567999).

33554945 is a wasteful number, since it uses less digits than its factorization.

33554945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142839.

The product of its digits is 162000, while the sum is 38.

The square root of 33554945 is about 5792.6630318015. The cubic root of 33554945 is about 322.5414324911.

The spelling of 33554945 in words is "thirty-three million, five hundred fifty-four thousand, nine hundred forty-five".