33045819 has 8 divisors (see below), whose sum is σ = 45580560. Its totient is φ = 21270816.

The previous prime is 33045811. The next prime is 33045821. The reversal of 33045819 is 91854033.

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

It is not a de Polignac number, because 33045819 - 2³ = 33045811 is a prime.

It is a super-2 number, since 2×33045819² = 2184052306761522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33045819.

It is not an unprimeable number, because it can be changed into a prime (33045811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189832 + ... + 190005.

It is an arithmetic number, because the mean of its divisors is an integer number (5697570).

Almost surely, 2^33045819 is an apocalyptic number.

33045819 is a deficient number, since it is larger than the sum of its proper divisors (12534741).

33045819 is a wasteful number, since it uses less digits than its factorization.

33045819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379869.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 33045819 is about 5748.5492952570. The cubic root of 33045819 is about 320.9018148676.

The spelling of 33045819 in words is "thirty-three million, forty-five thousand, eight hundred nineteen".