148529909 has 8 divisors (see below), whose sum is σ = 167620320. Its totient is φ = 130370800.

The previous prime is 148529891. The next prime is 148529947. The reversal of 148529909 is 909925841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148529909 - 2¹⁶ = 148464373 is a prime.

It is a super-2 number, since 2×148529909² = 44122267735096562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148529209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232487 + ... + 233124.

It is an arithmetic number, because the mean of its divisors is an integer number (20952540).

Almost surely, 2^148529909 is an apocalyptic number.

It is an amenable number.

148529909 is a deficient number, since it is larger than the sum of its proper divisors (19090411).

148529909 is a wasteful number, since it uses less digits than its factorization.

148529909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465651.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 148529909 is about 12187.2847263039. The cubic root of 148529909 is about 529.5877998276.

The spelling of 148529909 in words is "one hundred forty-eight million, five hundred twenty-nine thousand, nine hundred nine".