154020103 has 2 divisors, whose sum is σ = 154020104. Its totient is φ = 154020102.

The previous prime is 154020091. The next prime is 154020157. The reversal of 154020103 is 301020451.

It is a weak prime.

It is an emirp because it is prime and its reverse (301020451) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 154020103 - 2¹³ = 154011911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (154020193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77010051 + 77010052.

It is an arithmetic number, because the mean of its divisors is an integer number (77010052).

Almost surely, 2^154020103 is an apocalyptic number.

154020103 is a deficient number, since it is larger than the sum of its proper divisors (1).

154020103 is an equidigital number, since it uses as much as digits as its factorization.

154020103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 154020103 is about 12410.4835925116. The cubic root of 154020103 is about 536.0341635145.

Adding to 154020103 its reverse (301020451), we get a palindrome (455040554).

The spelling of 154020103 in words is "one hundred fifty-four million, twenty thousand, one hundred three".