103145201254545 has 16 divisors (see below), whose sum is σ = 165039799197312. Its totient is φ = 55008281605760.

The previous prime is 103145201254499. The next prime is 103145201254561. The reversal of 103145201254545 is 545452102541301.

It is not a de Polignac number, because 103145201254545 - 2¹⁸ = 103145200992401 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103145201254497 and 103145201254506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155432661 + ... + 156094850.

It is an arithmetic number, because the mean of its divisors is an integer number (10314987449832).

Almost surely, 2^{103145201254545} is an apocalyptic number.

103145201254545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103145201254545 is a deficient number, since it is larger than the sum of its proper divisors (61894597942767).

103145201254545 is a wasteful number, since it uses less digits than its factorization.

103145201254545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311549592.

The product of its (nonzero) digits is 480000, while the sum is 42.

Adding to 103145201254545 its reverse (545452102541301), we get a palindrome (648597303795846).

The spelling of 103145201254545 in words is "one hundred three trillion, one hundred forty-five billion, two hundred one million, two hundred fifty-four thousand, five hundred forty-five".