103145522 has 4 divisors (see below), whose sum is σ = 154718286. Its totient is φ = 51572760.

The previous prime is 103145521. The next prime is 103145527. The reversal of 103145522 is 225541301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225541301 = 151 ⋅1493651.

It can be written as a sum of positive squares in only one way, i.e., 84474481 + 18671041 = 9191^2 + 4321^2 .

It is not an unprimeable number, because it can be changed into a prime (103145521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25786379 + ... + 25786382.

Almost surely, 2^103145522 is an apocalyptic number.

103145522 is a deficient number, since it is larger than the sum of its proper divisors (51572764).

103145522 is an equidigital number, since it uses as much as digits as its factorization.

103145522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51572763.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 103145522 is about 10156.0583889617. The cubic root of 103145522 is about 468.9754686108.

Adding to 103145522 its reverse (225541301), we get a palindrome (328686823).

The spelling of 103145522 in words is "one hundred three million, one hundred forty-five thousand, five hundred twenty-two".