2545452242 has 8 divisors (see below), whose sum is σ = 3834999216. Its totient is φ = 1267119172.

The previous prime is 2545452229. The next prime is 2545452271. The reversal of 2545452242 is 2422545452.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2802908 + ... + 2803815.

It is an arithmetic number, because the mean of its divisors is an integer number (479374902).

Almost surely, 2^2545452242 is an apocalyptic number.

2545452242 is a deficient number, since it is larger than the sum of its proper divisors (1289546974).

2545452242 is a wasteful number, since it uses less digits than its factorization.

2545452242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606952.

The product of its digits is 128000, while the sum is 35.

The square root of 2545452242 is about 50452.4750829927. The cubic root of 2545452242 is about 1365.3845503323.

Adding to 2545452242 its reverse (2422545452), we get a palindrome (4967997694).

The spelling of 2545452242 in words is "two billion, five hundred forty-five million, four hundred fifty-two thousand, two hundred forty-two".