245225352515 has 32 divisors (see below), whose sum is σ = 348036696000. Its totient is φ = 163521861120.

The previous prime is 245225352509. The next prime is 245225352517. The reversal of 245225352515 is 515253522542.

It is a happy number.

It is not a de Polignac number, because 245225352515 - 2⁴ = 245225352499 is a prime.

It is a super-2 number, since 2×245225352515² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245225352517) 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, 1044380 + ... + 1257449.

It is an arithmetic number, because the mean of its divisors is an integer number (10876146750).

Almost surely, 2^245225352515 is an apocalyptic number.

245225352515 is a deficient number, since it is larger than the sum of its proper divisors (102811343485).

245225352515 is a wasteful number, since it uses less digits than its factorization.

245225352515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302007.

The product of its digits is 600000, while the sum is 41.

The spelling of 245225352515 in words is "two hundred forty-five billion, two hundred twenty-five million, three hundred fifty-two thousand, five hundred fifteen".