33280149 has 16 divisors (see below), whose sum is σ = 52918272. Its totient is φ = 18190128.

The previous prime is 33280133. The next prime is 33280171. The reversal of 33280149 is 94108233.

It is not a de Polignac number, because 33280149 - 2⁴ = 33280133 is a prime.

It is a super-2 number, since 2×33280149² = 2215136634924402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33280109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33969 + ... + 34934.

It is an arithmetic number, because the mean of its divisors is an integer number (3307392).

Almost surely, 2^33280149 is an apocalyptic number.

It is an amenable number.

33280149 is a deficient number, since it is larger than the sum of its proper divisors (19638123).

33280149 is a wasteful number, since it uses less digits than its factorization.

33280149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68936.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 33280149 is about 5768.8949548419. The cubic root of 33280149 is about 321.6585407250.

The spelling of 33280149 in words is "thirty-three million, two hundred eighty thousand, one hundred forty-nine".