245311402143 has 32 divisors (see below), whose sum is σ = 358346462400. Its totient is φ = 148579106816.

The previous prime is 245311402129. The next prime is 245311402163. The reversal of 245311402143 is 341204113542.

It is a cyclic number.

It is not a de Polignac number, because 245311402143 - 2⁶ = 245311402079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245311402143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245311402123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7391755 + ... + 7424867.

It is an arithmetic number, because the mean of its divisors is an integer number (11198326950).

Almost surely, 2^245311402143 is an apocalyptic number.

245311402143 is a deficient number, since it is larger than the sum of its proper divisors (113035060257).

245311402143 is a wasteful number, since it uses less digits than its factorization.

245311402143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38171.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 245311402143 its reverse (341204113542), we get a palindrome (586515515685).

The spelling of 245311402143 in words is "two hundred forty-five billion, three hundred eleven million, four hundred two thousand, one hundred forty-three".