103019789445 has 32 divisors (see below), whose sum is σ = 166978301952. Its totient is φ = 54231386112.

The previous prime is 103019789443. The next prime is 103019789459. The reversal of 103019789445 is 544987910301.

It is not a de Polignac number, because 103019789445 - 2¹ = 103019789443 is a prime.

It is a super-2 number, since 2×103019789445² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103019789443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447804 + ... + 637626.

It is an arithmetic number, because the mean of its divisors is an integer number (5218071936).

Almost surely, 2^103019789445 is an apocalyptic number.

103019789445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103019789445 is a deficient number, since it is larger than the sum of its proper divisors (63958512507).

103019789445 is a wasteful number, since it uses less digits than its factorization.

103019789445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190301.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 103019789445 in words is "one hundred three billion, nineteen million, seven hundred eighty-nine thousand, four hundred forty-five".