103145265 has 32 divisors (see below), whose sum is σ = 184089600. Its totient is φ = 54794880.

The previous prime is 103145249. The next prime is 103145267. The reversal of 103145265 is 562541301.

103145265 = 116² + 117² + ... + 677².

It is not a de Polignac number, because 103145265 - 2⁴ = 103145249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103145267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36576 + ... + 39294.

It is an arithmetic number, because the mean of its divisors is an integer number (5752800).

Almost surely, 2^103145265 is an apocalyptic number.

103145265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103145265 is a deficient number, since it is larger than the sum of its proper divisors (80944335).

103145265 is a wasteful number, since it uses less digits than its factorization.

103145265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3008 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 103145265 is about 10156.0457364075. The cubic root of 103145265 is about 468.9750791067.

Adding to 103145265 its reverse (562541301), we get a palindrome (665686566).

The spelling of 103145265 in words is "one hundred three million, one hundred forty-five thousand, two hundred sixty-five".