149702329 has 4 divisors (see below), whose sum is σ = 171088384. Its totient is φ = 128316276.

The previous prime is 149702281. The next prime is 149702359. The reversal of 149702329 is 923207941.

149702329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 923207941 = 67 ⋅13779223.

It is a cyclic number.

It is not a de Polignac number, because 149702329 - 2¹⁹ = 149178041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149702359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10693017 + ... + 10693030.

It is an arithmetic number, because the mean of its divisors is an integer number (42772096).

Almost surely, 2^149702329 is an apocalyptic number.

It is an amenable number.

149702329 is a deficient number, since it is larger than the sum of its proper divisors (21386055).

149702329 is an equidigital number, since it uses as much as digits as its factorization.

149702329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21386054.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 149702329 is about 12235.2903112268. The cubic root of 149702329 is about 530.9775822418.

The spelling of 149702329 in words is "one hundred forty-nine million, seven hundred two thousand, three hundred twenty-nine".