243135015054 has 16 divisors (see below), whose sum is σ = 488815948800. Its totient is φ = 80620685240.

The previous prime is 243135015023. The next prime is 243135015061. The reversal of 243135015054 is 450510531342.

It is a super-2 number, since 2×243135015054² (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 7 ways as a sum of consecutive naturals, for example, 106078704 + ... + 106080995.

It is an arithmetic number, because the mean of its divisors is an integer number (30550996800).

Almost surely, 2^243135015054 is an apocalyptic number.

243135015054 is an abundant number, since it is smaller than the sum of its proper divisors (245680933746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243135015054 is a wasteful number, since it uses less digits than its factorization.

243135015054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212159895.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 243135015054 its reverse (450510531342), we get a palindrome (693645546396).

The spelling of 243135015054 in words is "two hundred forty-three billion, one hundred thirty-five million, fifteen thousand, fifty-four".