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149503 is a prime number
BaseRepresentation
bin100100011111111111
321121002011
4210133333
514241003
63112051
71161604
oct443777
9247064
10149503
11a2362
1272627
1353083
143c6ab
152e46d
hex247ff

149503 has 2 divisors, whose sum is σ = 149504. Its totient is φ = 149502.

The previous prime is 149497. The next prime is 149519. The reversal of 149503 is 305941.

149503 is nontrivially palindromic in base 12.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 149503 - 29 = 148991 is a prime.

It is a super-2 number, since 2×1495032 = 44702294018, which contains 22 as substring.

It is an Ulam number.

149503 is a lucky number.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74751 + 74752.

It is an arithmetic number, because the mean of its divisors is an integer number (74752).

2149503 is an apocalyptic number.

149503 is a deficient number, since it is larger than the sum of its proper divisors (1).

149503 is an equidigital number, since it uses as much as digits as its factorization.

149503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 149503 is about 386.6561780187. The cubic root of 149503 is about 53.0741811605.

It can be divided in two parts, 14950 and 3, that multiplied together give a triangular number (44850 = T299).

The spelling of 149503 in words is "one hundred forty-nine thousand, five hundred three".