33255146 has 4 divisors (see below), whose sum is σ = 49882722. Its totient is φ = 16627572.

The previous prime is 33255143. The next prime is 33255169. The reversal of 33255146 is 64155233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64155233 = 1949 ⋅32917.

It can be written as a sum of positive squares in only one way, i.e., 28143025 + 5112121 = 5305^2 + 2261^2 .

It is a super-2 number, since 2×33255146² = 2211809470962632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33255143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8313785 + ... + 8313788.

Almost surely, 2^33255146 is an apocalyptic number.

33255146 is a deficient number, since it is larger than the sum of its proper divisors (16627576).

33255146 is a wasteful number, since it uses less digits than its factorization.

33255146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16627575.

The product of its digits is 10800, while the sum is 29.

The square root of 33255146 is about 5766.7274948622. The cubic root of 33255146 is about 321.5779677344.

The spelling of 33255146 in words is "thirty-three million, two hundred fifty-five thousand, one hundred forty-six".