242125709145 has 16 divisors (see below), whose sum is σ = 397871436480. Its totient is φ = 125643610944.

The previous prime is 242125709143. The next prime is 242125709153. The reversal of 242125709145 is 541907521242.

It is a happy number.

It is not a de Polignac number, because 242125709145 - 2¹ = 242125709143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242125709097 and 242125709106.

It is not an unprimeable number, because it can be changed into a prime (242125709143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218130715 + ... + 218131824.

It is an arithmetic number, because the mean of its divisors is an integer number (24866964780).

Almost surely, 2^242125709145 is an apocalyptic number.

It is an amenable number.

242125709145 is a deficient number, since it is larger than the sum of its proper divisors (155745727335).

242125709145 is a wasteful number, since it uses less digits than its factorization.

242125709145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436262584.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 242125709145 in words is "two hundred forty-two billion, one hundred twenty-five million, seven hundred nine thousand, one hundred forty-five".