146561523522346 has 32 divisors (see below), whose sum is σ = 227042770572288. Its totient is φ = 70882874651520.

The previous prime is 146561523522331. The next prime is 146561523522353. The reversal of 146561523522346 is 643225325165641.

It is a super-2 number, since 2×146561523522346² (a number of 29 digits) contains 22 as substring.

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, 1175882446 + ... + 1176007078.

It is an arithmetic number, because the mean of its divisors is an integer number (7095086580384).

Almost surely, 2^{146561523522346} is an apocalyptic number.

146561523522346 is a deficient number, since it is larger than the sum of its proper divisors (80481247049942).

146561523522346 is a wasteful number, since it uses less digits than its factorization.

146561523522346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133606.

The product of its digits is 31104000, while the sum is 55.

Adding to 146561523522346 its reverse (643225325165641), we get a palindrome (789786848687987).

The spelling of 146561523522346 in words is "one hundred forty-six trillion, five hundred sixty-one billion, five hundred twenty-three million, five hundred twenty-two thousand, three hundred forty-six".