245040224152451 has 32 divisors (see below), whose sum is σ = 314711795543040. Its totient is φ = 185441839127424.

The previous prime is 245040224152441. The next prime is 245040224152547. The reversal of 245040224152451 is 154251422040542.

It is a cyclic number.

It is not a de Polignac number, because 245040224152451 - 2¹⁰ = 245040224151427 is a prime.

It is a super-2 number, since 2×245040224152451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245040224152399 and 245040224152408.

It is not an unprimeable number, because it can be changed into a prime (245040224152441) 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, 56554541 + ... + 60732993.

It is an arithmetic number, because the mean of its divisors is an integer number (9834743610720).

Almost surely, 2^{245040224152451} is an apocalyptic number.

245040224152451 is a deficient number, since it is larger than the sum of its proper divisors (69671571390589).

245040224152451 is a wasteful number, since it uses less digits than its factorization.

245040224152451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206515.

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 245040224152451 its reverse (154251422040542), we get a palindrome (399291646192993).

The spelling of 245040224152451 in words is "two hundred forty-five trillion, forty billion, two hundred twenty-four million, one hundred fifty-two thousand, four hundred fifty-one".