243764706142 has 16 divisors (see below), whose sum is σ = 369291003264. Its totient is φ = 120667860000.

The previous prime is 243764706139. The next prime is 243764706173. The reversal of 243764706142 is 241607467342.

It is a happy number.

It is a super-2 number, since 2×243764706142² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243764706092 and 243764706101.

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, 4347667 + ... + 4403377.

It is an arithmetic number, because the mean of its divisors is an integer number (23080687704).

Almost surely, 2^243764706142 is an apocalyptic number.

243764706142 is a deficient number, since it is larger than the sum of its proper divisors (125526297122).

243764706142 is a wasteful number, since it uses less digits than its factorization.

243764706142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77475.

The product of its (nonzero) digits is 1354752, while the sum is 46.

The spelling of 243764706142 in words is "two hundred forty-three billion, seven hundred sixty-four million, seven hundred six thousand, one hundred forty-two".