149533201 has 2 divisors, whose sum is σ = 149533202. Its totient is φ = 149533200.

The previous prime is 149533183. The next prime is 149533217. The reversal of 149533201 is 102335941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110145025 + 39388176 = 10495^2 + 6276^2 .

It is an emirp because it is prime and its reverse (102335941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149533201 - 2⁷ = 149533073 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149533201.

It is not a weakly prime, because it can be changed into another prime (149533291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74766600 + 74766601.

It is an arithmetic number, because the mean of its divisors is an integer number (74766601).

Almost surely, 2^149533201 is an apocalyptic number.

It is an amenable number.

149533201 is a deficient number, since it is larger than the sum of its proper divisors (1).

149533201 is an equidigital number, since it uses as much as digits as its factorization.

149533201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 149533201 is about 12228.3768751212. The cubic root of 149533201 is about 530.7775474636. Note that the first 3 decimals are identical.

The spelling of 149533201 in words is "one hundred forty-nine million, five hundred thirty-three thousand, two hundred one".