103445130 has 16 divisors (see below), whose sum is σ = 248268384. Its totient is φ = 27585360.

The previous prime is 103445123. The next prime is 103445201. The reversal of 103445130 is 31544301.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103445097 and 103445106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724056 + ... + 1724115.

It is an arithmetic number, because the mean of its divisors is an integer number (15516774).

Almost surely, 2^103445130 is an apocalyptic number.

103445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103445130 is an abundant number, since it is smaller than the sum of its proper divisors (144823254).

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

103445130 is a wasteful number, since it uses less digits than its factorization.

103445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448181.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103445130 is about 10170.7979038028. The cubic root of 103445130 is about 469.4291091656.

Adding to 103445130 its reverse (31544301), we get a palindrome (134989431).

It can be divided in two parts, 1034 and 45130, that added together give a palindrome (46164).

The spelling of 103445130 in words is "one hundred three million, four hundred forty-five thousand, one hundred thirty".