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149100241 is a prime number
BaseRepresentation
bin10001110001100…
…01011011010001
3101101120002002011
420320301123101
5301132201431
622443422521
73460221403
oct1070613321
9341502064
10149100241
1177188244
1241b24a41
1324b754c4
1415b32b73
15d152cb1
hex8e316d1

149100241 has 2 divisors, whose sum is σ = 149100242. Its totient is φ = 149100240.

The previous prime is 149100229. The next prime is 149100247. The reversal of 149100241 is 142001941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140920641 + 8179600 = 11871^2 + 2860^2 .

It is an emirp because it is prime and its reverse (142001941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149100241 - 25 = 149100209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (149100247) 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, 74550120 + 74550121.

It is an arithmetic number, because the mean of its divisors is an integer number (74550121).

Almost surely, 2149100241 is an apocalyptic number.

It is an amenable number.

149100241 is a deficient number, since it is larger than the sum of its proper divisors (1).

149100241 is an equidigital number, since it uses as much as digits as its factorization.

149100241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 149100241 is about 12210.6609567214. The cubic root of 149100241 is about 530.2647792923.

The spelling of 149100241 in words is "one hundred forty-nine million, one hundred thousand, two hundred forty-one".