103145026609156 has 135 divisors (see below), whose sum is σ = 217652210140743. Its totient is φ = 42766246691280.

The previous prime is 103145026609111. The next prime is 103145026609241. The reversal of 103145026609156 is 651906620541301.

The square root of 103145026609156 is 10156034.

It is a perfect power (a square), and thus also a powerful number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

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 44 ways as a sum of consecutive naturals, for example, 30854029621 + ... + 30854032963.

Almost surely, 2^{103145026609156} is an apocalyptic number.

103145026609156 is the 10156034-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103145026609156

103145026609156 is an abundant number, since it is smaller than the sum of its proper divisors (114507183531587).

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

103145026609156 is an frugal number, since it uses more digits than its factorization.

103145026609156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6780 (or 3383 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

103145026609156 divided by its sum of digits (49) gives a square (2105000543044 = 1450862²).

The spelling of 103145026609156 in words is "one hundred three trillion, one hundred forty-five billion, twenty-six million, six hundred nine thousand, one hundred fifty-six".