33480143 has 4 divisors (see below), whose sum is σ = 33493008. Its totient is φ = 33467280.

The previous prime is 33480131. The next prime is 33480179. The reversal of 33480143 is 34108433.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34108433 = 41 ⋅831913.

It is a cyclic number.

It is not a de Polignac number, because 33480143 - 2⁴ = 33480127 is a prime.

It is a super-2 number, since 2×33480143² = 2241839950600898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33480103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 998 + ... + 8243.

It is an arithmetic number, because the mean of its divisors is an integer number (8373252).

Almost surely, 2^33480143 is an apocalyptic number.

33480143 is a deficient number, since it is larger than the sum of its proper divisors (12865).

33480143 is an equidigital number, since it uses as much as digits as its factorization.

33480143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12864.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 33480143 is about 5786.2028135903. The cubic root of 33480143 is about 322.3015801676.

Adding to 33480143 its reverse (34108433), we get a palindrome (67588576).

The spelling of 33480143 in words is "thirty-three million, four hundred eighty thousand, one hundred forty-three".