245232423345 has 128 divisors (see below), whose sum is σ = 499959742464. Its totient is φ = 99891615744.

The previous prime is 245232423313. The next prime is 245232423367. The reversal of 245232423345 is 543324232542.

It is not a de Polignac number, because 245232423345 - 2⁵ = 245232423313 is a prime.

It is a super-2 number, since 2×245232423345² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4657134 + ... + 4709496.

It is an arithmetic number, because the mean of its divisors is an integer number (3905935488).

Almost surely, 2^245232423345 is an apocalyptic number.

It is an amenable number.

245232423345 is an abundant number, since it is smaller than the sum of its proper divisors (254727319119).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245232423345 is a wasteful number, since it uses less digits than its factorization.

245232423345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52511.

The product of its digits is 691200, while the sum is 39.

Adding to 245232423345 its reverse (543324232542), we get a palindrome (788556655887).

The spelling of 245232423345 in words is "two hundred forty-five billion, two hundred thirty-two million, four hundred twenty-three thousand, three hundred forty-five".