245532345305 has 16 divisors (see below), whose sum is σ = 321649965840. Its totient is φ = 178832406528.

The previous prime is 245532345293. The next prime is 245532345307. The reversal of 245532345305 is 503543235542.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 19268493721 + 226263851584 = 138811^2 + 475672^2 .

It is a cyclic number.

It is not a de Polignac number, because 245532345305 - 2⁸ = 245532345049 is a prime.

It is a super-2 number, since 2×245532345305² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245532345307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25868000 + ... + 25877489.

It is an arithmetic number, because the mean of its divisors is an integer number (20103122865).

Almost surely, 2^245532345305 is an apocalyptic number.

It is an amenable number.

245532345305 is a deficient number, since it is larger than the sum of its proper divisors (76117620535).

245532345305 is a wasteful number, since it uses less digits than its factorization.

245532345305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51745580.

The product of its (nonzero) digits is 1080000, while the sum is 41.

The spelling of 245532345305 in words is "two hundred forty-five billion, five hundred thirty-two million, three hundred forty-five thousand, three hundred five".