103145455 has 32 divisors (see below), whose sum is σ = 151640064. Its totient is φ = 65805696.

The previous prime is 103145453. The next prime is 103145467. The reversal of 103145455 is 554541301.

It is a cyclic number.

It is not a de Polignac number, because 103145455 - 2¹ = 103145453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103145453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28054 + ... + 31516.

It is an arithmetic number, because the mean of its divisors is an integer number (4738752).

Almost surely, 2^103145455 is an apocalyptic number.

103145455 is a deficient number, since it is larger than the sum of its proper divisors (48494609).

103145455 is a wasteful number, since it uses less digits than its factorization.

103145455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 103145455 is about 10156.0550904374. The cubic root of 103145455 is about 468.9753670670.

Adding to 103145455 its reverse (554541301), we get a palindrome (657686756).

The spelling of 103145455 in words is "one hundred three million, one hundred forty-five thousand, four hundred fifty-five".