149385541 has 2 divisors, whose sum is σ = 149385542. Its totient is φ = 149385540.

The previous prime is 149385517. The next prime is 149385553. The reversal of 149385541 is 145583941.

149385541 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., 102941316 + 46444225 = 10146^2 + 6815^2 .

It is an emirp because it is prime and its reverse (145583941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149385541 - 2⁷ = 149385413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149385494 and 149385503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149380541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74692770 + 74692771.

It is an arithmetic number, because the mean of its divisors is an integer number (74692771).

Almost surely, 2^149385541 is an apocalyptic number.

It is an amenable number.

149385541 is a deficient number, since it is larger than the sum of its proper divisors (1).

149385541 is an equidigital number, since it uses as much as digits as its factorization.

149385541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 149385541 is about 12222.3377878375. The cubic root of 149385541 is about 530.6027804244.

The spelling of 149385541 in words is "one hundred forty-nine million, three hundred eighty-five thousand, five hundred forty-one".