243452534 has 16 divisors (see below), whose sum is σ = 393630720. Its totient is φ = 112259520.

The previous prime is 243452533. The next prime is 243452537. The reversal of 243452534 is 435254342.

243452534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×243452534² = 118538272622042312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243452534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243452533) 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, 29594 + ... + 36914.

It is an arithmetic number, because the mean of its divisors is an integer number (24601920).

Almost surely, 2^243452534 is an apocalyptic number.

243452534 is a deficient number, since it is larger than the sum of its proper divisors (150178186).

243452534 is a wasteful number, since it uses less digits than its factorization.

243452534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its digits is 57600, while the sum is 32.

The square root of 243452534 is about 15602.9655514585. The cubic root of 243452534 is about 624.4122765163.

The spelling of 243452534 in words is "two hundred forty-three million, four hundred fifty-two thousand, five hundred thirty-four".