243105351452 has 12 divisors (see below), whose sum is σ = 425437828536. Its totient is φ = 121551686160.

The previous prime is 243105351403. The next prime is 243105351473. The reversal of 243105351452 is 254153501342.

It is a super-3 number, since 3×243105351452³ (a number of 35 digits) contains 333 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, 772943 + ... + 1040985.

It is an arithmetic number, because the mean of its divisors is an integer number (35453152378).

Almost surely, 2^243105351452 is an apocalyptic number.

It is an amenable number.

243105351452 is a deficient number, since it is larger than the sum of its proper divisors (182332477084).

243105351452 is a wasteful number, since it uses less digits than its factorization.

243105351452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494788 (or 494786 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 243105351452 its reverse (254153501342), we get a palindrome (497258852794).

The spelling of 243105351452 in words is "two hundred forty-three billion, one hundred five million, three hundred fifty-one thousand, four hundred fifty-two".