103140455 has 32 divisors (see below), whose sum is σ = 143078400. Its totient is φ = 70588800.

The previous prime is 103140451. The next prime is 103140467. The reversal of 103140455 is 554041301.

It is not a de Polignac number, because 103140455 - 2² = 103140451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103140455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103140451) 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, 239090 + ... + 239520.

It is an arithmetic number, because the mean of its divisors is an integer number (4471200).

Almost surely, 2^103140455 is an apocalyptic number.

103140455 is a deficient number, since it is larger than the sum of its proper divisors (39937945).

103140455 is a wasteful number, since it uses less digits than its factorization.

103140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 103140455 is about 10155.8089288840. The cubic root of 103140455 is about 468.9677890478.

Adding to 103140455 its reverse (554041301), we get a palindrome (657181756).

The spelling of 103140455 in words is "one hundred three million, one hundred forty thousand, four hundred fifty-five".