242551444155242 has 8 divisors (see below), whose sum is σ = 363833317438500. Its totient is φ = 121273671675744.

The previous prime is 242551444155197. The next prime is 242551444155257.

242551444155242 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 229314719345881 + 13236724809361 = 15143141^2 + 3638231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×242551444155242⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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, 1025053067 + ... + 1025289662.

Almost surely, 2^{242551444155242} is an apocalyptic number.

242551444155242 is a deficient number, since it is larger than the sum of its proper divisors (121281873283258).

242551444155242 is a wasteful number, since it uses less digits than its factorization.

242551444155242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050401880.

The product of its digits is 10240000, while the sum is 50.

The spelling of 242551444155242 in words is "two hundred forty-two trillion, five hundred fifty-one billion, four hundred forty-four million, one hundred fifty-five thousand, two hundred forty-two".