149243329 has 2 divisors, whose sum is σ = 149243330. Its totient is φ = 149243328.

The previous prime is 149243293. The next prime is 149243363. The reversal of 149243329 is 923342941.

Together with previous prime (149243293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87385104 + 61858225 = 9348^2 + 7865^2 .

It is a cyclic number.

It is not a de Polignac number, because 149243329 - 2⁷ = 149243201 is a prime.

It is not a weakly prime, because it can be changed into another prime (149243929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74621664 + 74621665.

It is an arithmetic number, because the mean of its divisors is an integer number (74621665).

Almost surely, 2^149243329 is an apocalyptic number.

It is an amenable number.

149243329 is a deficient number, since it is larger than the sum of its proper divisors (1).

149243329 is an equidigital number, since it uses as much as digits as its factorization.

149243329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 37.

The square root of 149243329 is about 12216.5186939652. The cubic root of 149243329 is about 530.4343526109.

The spelling of 149243329 in words is "one hundred forty-nine million, two hundred forty-three thousand, three hundred twenty-nine".