219045452 has 24 divisors (see below), whose sum is σ = 413352240. Its totient is φ = 101226240.

The previous prime is 219045451. The next prime is 219045457. The reversal of 219045452 is 254540912.

219045452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (219045451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32033 + ... + 38264.

It is an arithmetic number, because the mean of its divisors is an integer number (17223010).

Almost surely, 2^219045452 is an apocalyptic number.

It is an amenable number.

219045452 is a deficient number, since it is larger than the sum of its proper divisors (194306788).

219045452 is a wasteful number, since it uses less digits than its factorization.

219045452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70361 (or 70359 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 219045452 is about 14800.1841880431. The cubic root of 219045452 is about 602.8067130932.

The spelling of 219045452 in words is "two hundred nineteen million, forty-five thousand, four hundred fifty-two".