149750273 has 2 divisors, whose sum is σ = 149750274. Its totient is φ = 149750272.

The previous prime is 149750261. The next prime is 149750291. The reversal of 149750273 is 372057941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131148304 + 18601969 = 11452^2 + 4313^2 .

It is an emirp because it is prime and its reverse (372057941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149750273 - 2⁴ = 149750257 is a prime.

It is not a weakly prime, because it can be changed into another prime (149750213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74875136 + 74875137.

It is an arithmetic number, because the mean of its divisors is an integer number (74875137).

Almost surely, 2^149750273 is an apocalyptic number.

It is an amenable number.

149750273 is a deficient number, since it is larger than the sum of its proper divisors (1).

149750273 is an equidigital number, since it uses as much as digits as its factorization.

149750273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 149750273 is about 12237.2494049929. The cubic root of 149750273 is about 531.0342602111.

The spelling of 149750273 in words is "one hundred forty-nine million, seven hundred fifty thousand, two hundred seventy-three".