242453104540155 has 24 divisors (see below), whose sum is σ = 434743497798480. Its totient is φ = 124849414751040.

The previous prime is 242453104539991. The next prime is 242453104540177. The reversal of 242453104540155 is 551045401354242.

242453104540155 is a `hidden beast` number, since 2 + 4 + 2 + 4 + 53 + 1 + 0 + 4 + 540 + 1 + 55 = 666.

It is not a de Polignac number, because 242453104540155 - 2¹⁷ = 242453104409083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 242453104540155.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92893908481 + ... + 92893911090.

It is an arithmetic number, because the mean of its divisors is an integer number (18114312408270).

Almost surely, 2^{242453104540155} is an apocalyptic number.

242453104540155 is a deficient number, since it is larger than the sum of its proper divisors (192290393258325).

242453104540155 is a wasteful number, since it uses less digits than its factorization.

242453104540155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185787819611 (or 185787819608 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 45.

Adding to 242453104540155 its reverse (551045401354242), we get a palindrome (793498505894397).

The spelling of 242453104540155 in words is "two hundred forty-two trillion, four hundred fifty-three billion, one hundred four million, five hundred forty thousand, one hundred fifty-five".