4242508745 has 8 divisors (see below), whose sum is σ = 5266562760. Its totient is φ = 3276972160.

The previous prime is 4242508717. The next prime is 4242508747. The reversal of 4242508745 is 5478052424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 345253561 + 3897255184 = 18581^2 + 62428^2 .

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

It is not a de Polignac number, because 4242508745 - 2⁸ = 4242508489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4242508747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14629196 + ... + 14629485.

It is an arithmetic number, because the mean of its divisors is an integer number (658320345).

Almost surely, 2^4242508745 is an apocalyptic number.

It is an amenable number.

4242508745 is a deficient number, since it is larger than the sum of its proper divisors (1024054015).

4242508745 is a wasteful number, since it uses less digits than its factorization.

4242508745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29258715.

The product of its (nonzero) digits is 358400, while the sum is 41.

The square root of 4242508745 is about 65134.5434082408. The cubic root of 4242508745 is about 1618.8536249062.

The spelling of 4242508745 in words is "four billion, two hundred forty-two million, five hundred eight thousand, seven hundred forty-five".