245231505134 has 48 divisors (see below), whose sum is σ = 476995319808. Its totient is φ = 92462634000.

The previous prime is 245231505121. The next prime is 245231505163. The reversal of 245231505134 is 431505132542.

It is a super-2 number, since 2×245231505134² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245231505094 and 245231505103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2282402 + ... + 2387429.

It is an arithmetic number, because the mean of its divisors is an integer number (9937402496).

Almost surely, 2^245231505134 is an apocalyptic number.

245231505134 is a deficient number, since it is larger than the sum of its proper divisors (231763814674).

245231505134 is a wasteful number, since it uses less digits than its factorization.

245231505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669893 (or 4669882 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 245231505134 its reverse (431505132542), we get a palindrome (676736637676).

The spelling of 245231505134 in words is "two hundred forty-five billion, two hundred thirty-one million, five hundred five thousand, one hundred thirty-four".