103144045 has 4 divisors (see below), whose sum is σ = 123772860. Its totient is φ = 82515232.

The previous prime is 103144031. The next prime is 103144051. The reversal of 103144045 is 540441301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 540441301 = 19 ⋅28444279.

It can be written as a sum of positive squares in 2 ways, for example, as 75707401 + 27436644 = 8701^2 + 5238^2 .

It is a cyclic number.

It is not a de Polignac number, because 103144045 - 2²¹ = 101046893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10314400 + ... + 10314409.

It is an arithmetic number, because the mean of its divisors is an integer number (30943215).

Almost surely, 2^103144045 is an apocalyptic number.

It is an amenable number.

103144045 is a deficient number, since it is larger than the sum of its proper divisors (20628815).

103144045 is an equidigital number, since it uses as much as digits as its factorization.

103144045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628814.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 103144045 is about 10155.9856734834. The cubic root of 103144045 is about 468.9732300904.

Adding to 103144045 its reverse (540441301), we get a palindrome (643585346).

The spelling of 103144045 in words is "one hundred three million, one hundred forty-four thousand, forty-five".