242545054104542 has 96 divisors (see below), whose sum is σ = 435743141796864. Its totient is φ = 100902166041600.

The previous prime is 242545054104533. The next prime is 242545054104547. The reversal of 242545054104542 is 245401450545242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242545054104547) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 805831817 + ... + 806132747.

It is an arithmetic number, because the mean of its divisors is an integer number (4538991060384).

Almost surely, 2^{242545054104542} is an apocalyptic number.

242545054104542 is a deficient number, since it is larger than the sum of its proper divisors (193198087692322).

242545054104542 is a wasteful number, since it uses less digits than its factorization.

242545054104542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302174 (or 302167 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 47.

The spelling of 242545054104542 in words is "two hundred forty-two trillion, five hundred forty-five billion, fifty-four million, one hundred four thousand, five hundred forty-two".