90101243340148 has 12 divisors (see below), whose sum is σ = 157681133785252. Its totient is φ = 45049490830080.

The previous prime is 90101243340131. The next prime is 90101243340149. The reversal of 90101243340148 is 84104334210109.

It can be written as a sum of positive squares in 2 ways, for example, as 48426317045604 + 41674926294544 = 6958902^2 + 6455612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90101243340148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101243340149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282530715 + ... + 282849442.

Almost surely, 2^{90101243340148} is an apocalyptic number.

It is an amenable number.

90101243340148 is a deficient number, since it is larger than the sum of its proper divisors (67579890445104).

90101243340148 is a wasteful number, since it uses less digits than its factorization.

90101243340148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565420002 (or 565420000 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 90101243340148 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, three hundred forty thousand, one hundred forty-eight".