4245345043 has 4 divisors (see below), whose sum is σ = 4495071240. Its totient is φ = 3995618848.

The previous prime is 4245345029. The next prime is 4245345193. The reversal of 4245345043 is 3405435424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4245345043 - 2¹⁷ = 4245213971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4245345343) 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 3 ways as a sum of consecutive naturals, for example, 124863073 + ... + 124863106.

It is an arithmetic number, because the mean of its divisors is an integer number (1123767810).

Almost surely, 2^4245345043 is an apocalyptic number.

4245345043 is a deficient number, since it is larger than the sum of its proper divisors (249726197).

4245345043 is a wasteful number, since it uses less digits than its factorization.

4245345043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249726196.

The product of its (nonzero) digits is 115200, while the sum is 34.

The square root of 4245345043 is about 65156.3123803059. The cubic root of 4245345043 is about 1619.2143021013.

The spelling of 4245345043 in words is "four billion, two hundred forty-five million, three hundred forty-five thousand, forty-three".