146561736 has 32 divisors (see below), whose sum is σ = 376309440. Its totient is φ = 47533248.

The previous prime is 146561713. The next prime is 146561741. The reversal of 146561736 is 637165641.

It is a junction number, because it is equal to n+sod(n) for n = 146561694 and 146561703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81636 + ... + 83411.

It is an arithmetic number, because the mean of its divisors is an integer number (11759670).

Almost surely, 2^146561736 is an apocalyptic number.

It is an amenable number.

146561736 is an abundant number, since it is smaller than the sum of its proper divisors (229747704).

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

146561736 is a wasteful number, since it uses less digits than its factorization.

146561736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165093 (or 165089 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 146561736 is about 12106.2684589431. The cubic root of 146561736 is about 527.2381977676.

The spelling of 146561736 in words is "one hundred forty-six million, five hundred sixty-one thousand, seven hundred thirty-six".