245515333146 has 32 divisors (see below), whose sum is σ = 518553100800. Its totient is φ = 77337111984.

The previous prime is 245515333127. The next prime is 245515333153. The reversal of 245515333146 is 641333515542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245515333098 and 245515333107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10705996 + ... + 10728903.

It is an arithmetic number, because the mean of its divisors is an integer number (16204784400).

Almost surely, 2^245515333146 is an apocalyptic number.

245515333146 is an abundant number, since it is smaller than the sum of its proper divisors (273037767654).

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

245515333146 is a wasteful number, since it uses less digits than its factorization.

245515333146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21435010.

The product of its digits is 648000, while the sum is 42.

Adding to 245515333146 its reverse (641333515542), we get a palindrome (886848848688).

The spelling of 245515333146 in words is "two hundred forty-five billion, five hundred fifteen million, three hundred thirty-three thousand, one hundred forty-six".