146561602793828 has 12 divisors (see below), whose sum is σ = 256482893747052. Its totient is φ = 73280776008960.

The previous prime is 146561602793731. The next prime is 146561602793923. The reversal of 146561602793828 is 828397206165641.

It can be written as a sum of positive squares in 2 ways, for example, as 62097268353124 + 84464334440704 = 7880182^2 + 9190448^2 .

It is a super-2 number, since 2×146561602793828² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13624448 + ... + 21880328.

It is an arithmetic number, because the mean of its divisors is an integer number (21373574478921).

It is a 1-persistent number, because it is pandigital, but 2⋅146561602793828 = 293123205587656 is not.

Almost surely, 2^{146561602793828} is an apocalyptic number.

It is an amenable number.

146561602793828 is a deficient number, since it is larger than the sum of its proper divisors (109921290953224).

146561602793828 is a wasteful number, since it uses less digits than its factorization.

146561602793828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693982 (or 12693980 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 68.

The spelling of 146561602793828 in words is "one hundred forty-six trillion, five hundred sixty-one billion, six hundred two million, seven hundred ninety-three thousand, eight hundred twenty-eight".