242195751245 has 16 divisors (see below), whose sum is σ = 340255496448. Its totient is φ = 162026424960.

The previous prime is 242195751223. The next prime is 242195751251. The reversal of 242195751245 is 542157591242.

It is not a de Polignac number, because 242195751245 - 2¹⁶ = 242195685709 is a prime.

It is a super-2 number, since 2×242195751245² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242195751245.

It is a congruent number.

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, 84387329 + ... + 84390198.

It is an arithmetic number, because the mean of its divisors is an integer number (21265968528).

Almost surely, 2^242195751245 is an apocalyptic number.

It is an amenable number.

242195751245 is a deficient number, since it is larger than the sum of its proper divisors (98059745203).

242195751245 is a wasteful number, since it uses less digits than its factorization.

242195751245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168777580.

The product of its digits is 1008000, while the sum is 47.

The spelling of 242195751245 in words is "two hundred forty-two billion, one hundred ninety-five million, seven hundred fifty-one thousand, two hundred forty-five".