103145501 has 8 divisors (see below), whose sum is σ = 108620160. Its totient is φ = 97753392.

The previous prime is 103145491. The next prime is 103145503. The reversal of 103145501 is 105541301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103145501 - 2¹⁸ = 102883357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103145503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18065 + ... + 23078.

It is an arithmetic number, because the mean of its divisors is an integer number (13577520).

Almost surely, 2^103145501 is an apocalyptic number.

It is an amenable number.

103145501 is a deficient number, since it is larger than the sum of its proper divisors (5474659).

103145501 is a wasteful number, since it uses less digits than its factorization.

103145501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41275.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 103145501 is about 10156.0573550960. The cubic root of 103145501 is about 468.9754367836.

Adding to 103145501 its reverse (105541301), we get a palindrome (208686802).

The spelling of 103145501 in words is "one hundred three million, one hundred forty-five thousand, five hundred one".