149403103 has 2 divisors, whose sum is σ = 149403104. Its totient is φ = 149403102.

The previous prime is 149403047. The next prime is 149403109. The reversal of 149403103 is 301304941.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149403103 is a prime.

It is equal to p_8412721 and since 149403103 and 8412721 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149403109) 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 as a sum of consecutive naturals, namely, 74701551 + 74701552.

It is an arithmetic number, because the mean of its divisors is an integer number (74701552).

Almost surely, 2^149403103 is an apocalyptic number.

149403103 is a deficient number, since it is larger than the sum of its proper divisors (1).

149403103 is an equidigital number, since it uses as much as digits as its factorization.

149403103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 149403103 is about 12223.0562053850. The cubic root of 149403103 is about 530.6235724431.

The spelling of 149403103 in words is "one hundred forty-nine million, four hundred three thousand, one hundred three".