2545243018 has 16 divisors (see below), whose sum is σ = 3912410880. Its totient is φ = 1241128800.

The previous prime is 2545243013. The next prime is 2545243027. The reversal of 2545243018 is 8103425452.

It is not an unprimeable number, because it can be changed into a prime (2545243013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377053 + ... + 383743.

It is an arithmetic number, because the mean of its divisors is an integer number (244525680).

Almost surely, 2^2545243018 is an apocalyptic number.

2545243018 is a deficient number, since it is larger than the sum of its proper divisors (1367167862).

2545243018 is a wasteful number, since it uses less digits than its factorization.

2545243018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11373.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 2545243018 is about 50450.4015643087. The cubic root of 2545243018 is about 1365.3471399474.

The spelling of 2545243018 in words is "two billion, five hundred forty-five million, two hundred forty-three thousand, eighteen".