245302143 has 8 divisors (see below), whose sum is σ = 334675968. Its totient is φ = 159731544.

The previous prime is 245302121. The next prime is 245302147. The reversal of 245302143 is 341203542.

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

It is not a de Polignac number, because 245302143 - 2²⁰ = 244253567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245302147) 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, 950655 + ... + 950912.

It is an arithmetic number, because the mean of its divisors is an integer number (41834496).

Almost surely, 2^245302143 is an apocalyptic number.

245302143 is a deficient number, since it is larger than the sum of its proper divisors (89373825).

245302143 is a wasteful number, since it uses less digits than its factorization.

245302143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901613.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 245302143 is about 15662.1244727527. The cubic root of 245302143 is about 625.9895943246.

Adding to 245302143 its reverse (341203542), we get a palindrome (586505685).

The spelling of 245302143 in words is "two hundred forty-five million, three hundred two thousand, one hundred forty-three".