245403042 has 8 divisors (see below), whose sum is σ = 490806096. Its totient is φ = 81801012.

The previous prime is 245403023. The next prime is 245403047. The reversal of 245403042 is 240304542.

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

245403042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (245403047) 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, 20450248 + ... + 20450259.

It is an arithmetic number, because the mean of its divisors is an integer number (61350762).

Almost surely, 2^245403042 is an apocalyptic number.

245403042 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.

245403042 is a wasteful number, since it uses less digits than its factorization.

245403042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40900512.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 245403042 is about 15665.3452563293. The cubic root of 245403042 is about 626.0754110311.

Adding to 245403042 its reverse (240304542), we get a palindrome (485707584).

The spelling of 245403042 in words is "two hundred forty-five million, four hundred three thousand, forty-two".