245231515430 has 16 divisors (see below), whose sum is σ = 481545521424. Its totient is φ = 89175096480.

The previous prime is 245231515381. The next prime is 245231515433. The reversal of 245231515430 is 34515132542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245231515433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1114688597 + ... + 1114688816.

It is an arithmetic number, because the mean of its divisors is an integer number (30096595089).

Almost surely, 2^245231515430 is an apocalyptic number.

245231515430 is a deficient number, since it is larger than the sum of its proper divisors (236314005994).

245231515430 is a wasteful number, since it uses less digits than its factorization.

245231515430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229377431.

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

Adding to 245231515430 its reverse (34515132542), we get a palindrome (279746647972).

The spelling of 245231515430 in words is "two hundred forty-five billion, two hundred thirty-one million, five hundred fifteen thousand, four hundred thirty".