149868041 has 2 divisors, whose sum is σ = 149868042. Its totient is φ = 149868040.

The previous prime is 149868013. The next prime is 149868049. The reversal of 149868041 is 140868941.

149868041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102313225 + 47554816 = 10115^2 + 6896^2 .

It is an emirp because it is prime and its reverse (140868941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149868041 - 2¹⁰ = 149867017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 149868041.

It is not a weakly prime, because it can be changed into another prime (149868049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74934020 + 74934021.

It is an arithmetic number, because the mean of its divisors is an integer number (74934021).

Almost surely, 2^149868041 is an apocalyptic number.

It is an amenable number.

149868041 is a deficient number, since it is larger than the sum of its proper divisors (1).

149868041 is an equidigital number, since it uses as much as digits as its factorization.

149868041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 149868041 is about 12242.0603249616. The cubic root of 149868041 is about 531.1734306993.

The spelling of 149868041 in words is "one hundred forty-nine million, eight hundred sixty-eight thousand, forty-one".