245144301420031 has 4 divisors (see below), whose sum is σ = 264001555375432. Its totient is φ = 226287047464632.

The previous prime is 245144301419989. The next prime is 245144301420071. The reversal of 245144301420031 is 130024103441542.

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 245144301420031 - 2²⁵ = 245144267865599 is a prime.

It is a super-2 number, since 2×245144301420031² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245144301420071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9428626977681 + ... + 9428626977706.

It is an arithmetic number, because the mean of its divisors is an integer number (66000388843858).

Almost surely, 2^{245144301420031} is an apocalyptic number.

245144301420031 is a deficient number, since it is larger than the sum of its proper divisors (18857253955401).

245144301420031 is a wasteful number, since it uses less digits than its factorization.

245144301420031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18857253955400.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 245144301420031 its reverse (130024103441542), we get a palindrome (375168404861573).

The spelling of 245144301420031 in words is "two hundred forty-five trillion, one hundred forty-four billion, three hundred one million, four hundred twenty thousand, thirty-one".