219453147 has 12 divisors (see below), whose sum is σ = 318351384. Its totient is φ = 145672800.

The previous prime is 219453109. The next prime is 219453149. The reversal of 219453147 is 741354912.

It is not a de Polignac number, because 219453147 - 2¹⁶ = 219387611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (219453149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50229 + ... + 54422.

It is an arithmetic number, because the mean of its divisors is an integer number (26529282).

Almost surely, 2^219453147 is an apocalyptic number.

219453147 is a deficient number, since it is larger than the sum of its proper divisors (98898237).

219453147 is a wasteful number, since it uses less digits than its factorization.

219453147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104890 (or 104887 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 219453147 is about 14813.9510934794. The cubic root of 219453147 is about 603.1804695670.

The spelling of 219453147 in words is "two hundred nineteen million, four hundred fifty-three thousand, one hundred forty-seven".