154645130653652 has 24 divisors (see below), whose sum is σ = 270789145310376. Its totient is φ = 77276809387008.

The previous prime is 154645130653639. The next prime is 154645130653667. The reversal of 154645130653652 is 256356031546451.

It can be written as a sum of positive squares in 4 ways, for example, as 102118381572496 + 52526749081156 = 10105364^2 + 7247534^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104053928 + ... + 105529664.

It is an arithmetic number, because the mean of its divisors is an integer number (11282881054599).

Almost surely, 2^{154645130653652} is an apocalyptic number.

It is an amenable number.

154645130653652 is a deficient number, since it is larger than the sum of its proper divisors (116144014656724).

154645130653652 is a wasteful number, since it uses less digits than its factorization.

154645130653652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491227 (or 1491225 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 154645130653652 in words is "one hundred fifty-four trillion, six hundred forty-five billion, one hundred thirty million, six hundred fifty-three thousand, six hundred fifty-two".