33477145 has 16 divisors (see below), whose sum is σ = 45541440. Its totient is φ = 23419584.

The previous prime is 33477071. The next prime is 33477161. The reversal of 33477145 is 54177433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33477145 is a prime.

It is a super-2 number, since 2×33477145² = 2241438474702050, 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 33477145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12319 + ... + 14788.

It is an arithmetic number, because the mean of its divisors is an integer number (2846340).

Almost surely, 2^33477145 is an apocalyptic number.

It is an amenable number.

33477145 is a deficient number, since it is larger than the sum of its proper divisors (12064295).

33477145 is a wasteful number, since it uses less digits than its factorization.

33477145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27144.

The product of its digits is 35280, while the sum is 34.

The square root of 33477145 is about 5785.9437432453. The cubic root of 33477145 is about 322.2919596494.

The spelling of 33477145 in words is "thirty-three million, four hundred seventy-seven thousand, one hundred forty-five".