145155103 has 2 divisors, whose sum is σ = 145155104. Its totient is φ = 145155102.

The previous prime is 145155089. The next prime is 145155149. The reversal of 145155103 is 301551541.

It is a happy number.

145155103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145155103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145155203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72577551 + 72577552.

It is an arithmetic number, because the mean of its divisors is an integer number (72577552).

Almost surely, 2^145155103 is an apocalyptic number.

145155103 is a deficient number, since it is larger than the sum of its proper divisors (1).

145155103 is an equidigital number, since it uses as much as digits as its factorization.

145155103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 145155103 is about 12048.0331589849. The cubic root of 145155103 is about 525.5460417025.

The spelling of 145155103 in words is "one hundred forty-five million, one hundred fifty-five thousand, one hundred three".