243254135514 has 16 divisors (see below), whose sum is σ = 523931984352. Its totient is φ = 74847426288.

The previous prime is 243254135483. The next prime is 243254135557. The reversal of 243254135514 is 415531452342.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1559321304 + ... + 1559321459.

It is an arithmetic number, because the mean of its divisors is an integer number (32745749022).

Almost surely, 2^243254135514 is an apocalyptic number.

243254135514 is an abundant number, since it is smaller than the sum of its proper divisors (280677848838).

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

243254135514 is a wasteful number, since it uses less digits than its factorization.

243254135514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118642781.

The product of its digits is 288000, while the sum is 39.

Adding to 243254135514 its reverse (415531452342), we get a palindrome (658785587856).

The spelling of 243254135514 in words is "two hundred forty-three billion, two hundred fifty-four million, one hundred thirty-five thousand, five hundred fourteen".