33330045 has 48 divisors (see below), whose sum is σ = 62676288. Its totient is φ = 15079680.

The previous prime is 33330043. The next prime is 33330049. The reversal of 33330045 is 54003333.

It is not a de Polignac number, because 33330045 - 2¹ = 33330043 is a prime.

It is a super-2 number, since 2×33330045² = 2221783799404050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33330041) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 100530 + ... + 100860.

It is an arithmetic number, because the mean of its divisors is an integer number (1305756).

Almost surely, 2^33330045 is an apocalyptic number.

33330045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33330045 is a deficient number, since it is larger than the sum of its proper divisors (29346243).

33330045 is a wasteful number, since it uses less digits than its factorization.

33330045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 33330045 is about 5773.2179068523. The cubic root of 33330045 is about 321.8192116841.

Adding to 33330045 its reverse (54003333), we get a palindrome (87333378).

It can be divided in two parts, 33 and 330045, that added together give a triangular number (330078 = T₈₁₂).

The spelling of 33330045 in words is "thirty-three million, three hundred thirty thousand, forty-five".