243150453 has 96 divisors (see below), whose sum is σ = 456415232. Its totient is φ = 121305600.

The previous prime is 243150433. The next prime is 243150491. The reversal of 243150453 is 354051342.

It is not a de Polignac number, because 243150453 - 2⁶ = 243150389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243150433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1548651 + ... + 1548807.

Almost surely, 2^243150453 is an apocalyptic number.

It is an amenable number.

243150453 is a deficient number, since it is larger than the sum of its proper divisors (213264779).

243150453 is a wasteful number, since it uses less digits than its factorization.

243150453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243150453 is about 15593.2823036075. The cubic root of 243150453 is about 624.1539083498.

The spelling of 243150453 in words is "two hundred forty-three million, one hundred fifty thousand, four hundred fifty-three".