33146145 has 16 divisors (see below), whose sum is σ = 58926720. Its totient is φ = 17677872.

The previous prime is 33146143. The next prime is 33146149. The reversal of 33146145 is 54164133.

33146145 is a `hidden beast` number, since 33 + 14 + 614 + 5 = 666.

It is not a de Polignac number, because 33146145 - 2¹ = 33146143 is a prime.

It is a super-2 number, since 2×33146145² = 2197333856722050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (33146143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122629 + ... + 122898.

It is an arithmetic number, because the mean of its divisors is an integer number (3682920).

Almost surely, 2^33146145 is an apocalyptic number.

It is an amenable number.

33146145 is a deficient number, since it is larger than the sum of its proper divisors (25780575).

33146145 is a wasteful number, since it uses less digits than its factorization.

33146145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245541 (or 245535 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 33146145 is about 5757.2688837677. The cubic root of 33146145 is about 321.2262358334.

The spelling of 33146145 in words is "thirty-three million, one hundred forty-six thousand, one hundred forty-five".