149568841 has 2 divisors, whose sum is σ = 149568842. Its totient is φ = 149568840.

The previous prime is 149568833. The next prime is 149568847. The reversal of 149568841 is 148865941.

149568841 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., 99102025 + 50466816 = 9955^2 + 7104^2 .

It is a cyclic number.

It is not a de Polignac number, because 149568841 - 2³ = 149568833 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 149568791 and 149568800.

It is not a weakly prime, because it can be changed into another prime (149568847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74784420 + 74784421.

It is an arithmetic number, because the mean of its divisors is an integer number (74784421).

Almost surely, 2^149568841 is an apocalyptic number.

It is an amenable number.

149568841 is a deficient number, since it is larger than the sum of its proper divisors (1).

149568841 is an equidigital number, since it uses as much as digits as its factorization.

149568841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 46.

The square root of 149568841 is about 12229.8340544751. The cubic root of 149568841 is about 530.8197129247.

It can be divided in two parts, 1495688 and 41, that added together give a square (1495729 = 1223²).

The spelling of 149568841 in words is "one hundred forty-nine million, five hundred sixty-eight thousand, eight hundred forty-one".