33540146 has 4 divisors (see below), whose sum is σ = 50310222. Its totient is φ = 16770072.

The previous prime is 33540139. The next prime is 33540193. The reversal of 33540146 is 64104533.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17850625 + 15689521 = 4225^2 + 3961^2 .

It is a super-2 number, since 2×33540146² = 2249882787402632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8385035 + ... + 8385038.

Almost surely, 2^33540146 is an apocalyptic number.

33540146 is a deficient number, since it is larger than the sum of its proper divisors (16770076).

33540146 is a wasteful number, since it uses less digits than its factorization.

33540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16770075.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 33540146 is about 5791.3854991703. The cubic root of 33540146 is about 322.4940078609.

Adding to 33540146 its reverse (64104533), we get a palindrome (97644679).

The spelling of 33540146 in words is "thirty-three million, five hundred forty thousand, one hundred forty-six".