103405450 has 12 divisors (see below), whose sum is σ = 192334230. Its totient is φ = 41362160.

The previous prime is 103405409. The next prime is 103405453. The reversal of 103405450 is 54504301.

It can be written as a sum of positive squares in 3 ways, for example, as 76790169 + 26615281 = 8763^2 + 5159^2 .

It is not an unprimeable number, because it can be changed into a prime (103405453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1034005 + ... + 1034104.

Almost surely, 2^103405450 is an apocalyptic number.

103405450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103405450 is a deficient number, since it is larger than the sum of its proper divisors (88928780).

103405450 is a wasteful number, since it uses less digits than its factorization.

103405450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068121 (or 2068116 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 103405450 is about 10168.8470339562. The cubic root of 103405450 is about 469.3690795014.

Adding to 103405450 its reverse (54504301), we get a palindrome (157909751).

The spelling of 103405450 in words is "one hundred three million, four hundred five thousand, four hundred fifty".