149386529 has 2 divisors, whose sum is σ = 149386530. Its totient is φ = 149386528.

The previous prime is 149386513. The next prime is 149386553. The reversal of 149386529 is 925683941.

149386529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104857600 + 44528929 = 10240^2 + 6673^2 .

It is a cyclic number.

It is not a de Polignac number, because 149386529 - 2⁴ = 149386513 is a prime.

It is not a weakly prime, because it can be changed into another prime (149386229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74693264 + 74693265.

It is an arithmetic number, because the mean of its divisors is an integer number (74693265).

Almost surely, 2^149386529 is an apocalyptic number.

It is an amenable number.

149386529 is a deficient number, since it is larger than the sum of its proper divisors (1).

149386529 is an equidigital number, since it uses as much as digits as its factorization.

149386529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 149386529 is about 12222.3782055703. The cubic root of 149386529 is about 530.6039501815.

The spelling of 149386529 in words is "one hundred forty-nine million, three hundred eighty-six thousand, five hundred twenty-nine".