243345512152 has 16 divisors (see below), whose sum is σ = 456409863000. Its totient is φ = 121636215360.

The previous prime is 243345512119. The next prime is 243345512243. The reversal of 243345512152 is 251215543342.

It is a happy number.

It is a super-2 number, since 2×243345512152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4539277 + ... + 4592572.

Almost surely, 2^243345512152 is an apocalyptic number.

It is an amenable number.

243345512152 is a deficient number, since it is larger than the sum of its proper divisors (213064350848).

243345512152 is a wasteful number, since it uses less digits than its factorization.

243345512152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9135186 (or 9135182 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 243345512152 in words is "two hundred forty-three billion, three hundred forty-five million, five hundred twelve thousand, one hundred fifty-two".