154102161445636 has 6 divisors (see below), whose sum is σ = 269678782529870. Its totient is φ = 77051080722816.

The previous prime is 154102161445633. The next prime is 154102161445637. The reversal of 154102161445636 is 636544161201451.

It can be written as a sum of positive squares in only one way, i.e., 134386288100100 + 19715873345536 = 11592510^2 + 4440256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 154102161445636.

It is not an unprimeable number, because it can be changed into a prime (154102161445633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19262770180701 + ... + 19262770180708.

Almost surely, 2^{154102161445636} is an apocalyptic number.

It is an amenable number.

154102161445636 is a deficient number, since it is larger than the sum of its proper divisors (115576621084234).

154102161445636 is a wasteful number, since it uses less digits than its factorization.

154102161445636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38525540361413 (or 38525540361411 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 154102161445636 in words is "one hundred fifty-four trillion, one hundred two billion, one hundred sixty-one million, four hundred forty-five thousand, six hundred thirty-six".