103144145 has 16 divisors (see below), whose sum is σ = 133539840. Its totient is φ = 76027584.

The previous prime is 103144127. The next prime is 103144159. The reversal of 103144145 is 541441301.

It is a cyclic number.

It is not a de Polignac number, because 103144145 - 2¹² = 103140049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103144145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45632 + ... + 47838.

It is an arithmetic number, because the mean of its divisors is an integer number (8346240).

Almost surely, 2^103144145 is an apocalyptic number.

It is an amenable number.

103144145 is a deficient number, since it is larger than the sum of its proper divisors (30395695).

103144145 is a wasteful number, since it uses less digits than its factorization.

103144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 103144145 is about 10155.9905966873. The cubic root of 103144145 is about 468.9733816496.

Adding to 103144145 its reverse (541441301), we get a palindrome (644585446).

The spelling of 103144145 in words is "one hundred three million, one hundred forty-four thousand, one hundred forty-five".