103502145 has 16 divisors (see below), whose sum is σ = 165729600. Its totient is φ = 55159104.

The previous prime is 103502141. The next prime is 103502153. The reversal of 103502145 is 541205301.

It is not a de Polignac number, because 103502145 - 2² = 103502141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103502141) 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 in 15 ways as a sum of consecutive naturals, for example, 36882 + ... + 39588.

It is an arithmetic number, because the mean of its divisors is an integer number (10358100).

Almost surely, 2^103502145 is an apocalyptic number.

103502145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103502145 is a deficient number, since it is larger than the sum of its proper divisors (62227455).

103502145 is a wasteful number, since it uses less digits than its factorization.

103502145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 103502145 is about 10173.6003951404. The cubic root of 103502145 is about 469.5153371171.

Adding to 103502145 its reverse (541205301), we get a palindrome (644707446).

The spelling of 103502145 in words is "one hundred three million, five hundred two thousand, one hundred forty-five".