103445221550 has 24 divisors (see below), whose sum is σ = 209899759752. Its totient is φ = 37616444000.

The previous prime is 103445221547. The next prime is 103445221571. The reversal of 103445221550 is 55122544301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94040561 + ... + 94041660.

It is an arithmetic number, because the mean of its divisors is an integer number (8745823323).

Almost surely, 2^103445221550 is an apocalyptic number.

103445221550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103445221550 is an abundant number, since it is smaller than the sum of its proper divisors (106454538202).

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

103445221550 is a wasteful number, since it uses less digits than its factorization.

103445221550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188082244 (or 188082239 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 103445221550 its reverse (55122544301), we get a palindrome (158567765851).

The spelling of 103445221550 in words is "one hundred three billion, four hundred forty-five million, two hundred twenty-one thousand, five hundred fifty".