33145080 has 32 divisors (see below), whose sum is σ = 99435600. Its totient is φ = 8838656.

The previous prime is 33145067. The next prime is 33145109. The reversal of 33145080 is 8054133.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 33145080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137985 + ... + 138224.

Almost surely, 2^33145080 is an apocalyptic number.

33145080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33145080 is an abundant number, since it is smaller than the sum of its proper divisors (66290520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33145080 is a wasteful number, since it uses less digits than its factorization.

33145080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276223 (or 276219 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 33145080 is about 5757.1763912529. The cubic root of 33145080 is about 321.2227954172. Note that the first 3 decimals are identical.

The spelling of 33145080 in words is "thirty-three million, one hundred forty-five thousand, eighty".