245242542 has 16 divisors (see below), whose sum is σ = 492977232. Its totient is φ = 81332160.

The previous prime is 245242541. The next prime is 245242553.

245242542 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245242541) 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, 102559 + ... + 104922.

It is an arithmetic number, because the mean of its divisors is an integer number (30811077).

Almost surely, 2^245242542 is an apocalyptic number.

245242542 is an abundant number, since it is smaller than the sum of its proper divisors (247734690).

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

245242542 is a wasteful number, since it uses less digits than its factorization.

245242542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207683.

The product of its digits is 25600, while the sum is 30.

The square root of 245242542 is about 15660.2216459410. The cubic root of 245242542 is about 625.9388913732.

The spelling of 245242542 in words is "two hundred forty-five million, two hundred forty-two thousand, five hundred forty-two".