243242552042 has 32 divisors (see below), whose sum is σ = 430674941952. Its totient is φ = 100878770304.

The previous prime is 243242552023. The next prime is 243242552051. The reversal of 243242552042 is 240255242342.

It is a junction number, because it is equal to n+sod(n) for n = 243242551993 and 243242552011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2191178 + ... + 2299509.

It is an arithmetic number, because the mean of its divisors is an integer number (13458591936).

Almost surely, 2^243242552042 is an apocalyptic number.

243242552042 is a deficient number, since it is larger than the sum of its proper divisors (187432389910).

243242552042 is a wasteful number, since it uses less digits than its factorization.

243242552042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490822.

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 243242552042 its reverse (240255242342), we get a palindrome (483497794384).

The spelling of 243242552042 in words is "two hundred forty-three billion, two hundred forty-two million, five hundred fifty-two thousand, forty-two".