245124042 has 8 divisors (see below), whose sum is σ = 490248096. Its totient is φ = 81708012.

The previous prime is 245124029. The next prime is 245124043. The reversal of 245124042 is 240421542.

It is a happy number.

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

245124042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (245124043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20426998 + ... + 20427009.

It is an arithmetic number, because the mean of its divisors is an integer number (61281012).

Almost surely, 2^245124042 is an apocalyptic number.

245124042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245124042 is a wasteful number, since it uses less digits than its factorization.

245124042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40854012.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 245124042 is about 15656.4377174375. The cubic root of 245124042 is about 625.8380582578.

Adding to 245124042 its reverse (240421542), we get a palindrome (485545584).

The spelling of 245124042 in words is "two hundred forty-five million, one hundred twenty-four thousand, forty-two".