Search a number
-
+
149011559 is a prime number
BaseRepresentation
bin10001110000110…
…11110001100111
3101101101120102122
420320123301213
5301121332214
622441500155
73456402014
oct1070336147
9341346378
10149011559
1177127654
1241aa165b
1324b44028
1415b0c70b
15d13688e
hex8e1bc67

149011559 has 2 divisors, whose sum is σ = 149011560. Its totient is φ = 149011558.

The previous prime is 149011531. The next prime is 149011561. The reversal of 149011559 is 955110941.

It is a strong prime.

It is an emirp because it is prime and its reverse (955110941) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-149011559 is a prime.

It is a super-2 number, since 2×1490115592 = 44408889431220962, which contains 22 as substring.

Together with 149011561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149011519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74505779 + 74505780.

It is an arithmetic number, because the mean of its divisors is an integer number (74505780).

Almost surely, 2149011559 is an apocalyptic number.

149011559 is a deficient number, since it is larger than the sum of its proper divisors (1).

149011559 is an equidigital number, since it uses as much as digits as its factorization.

149011559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 35.

The square root of 149011559 is about 12207.0290816398. The cubic root of 149011559 is about 530.1596279589.

The spelling of 149011559 in words is "one hundred forty-nine million, eleven thousand, five hundred fifty-nine".