148740329 has 4 divisors (see below), whose sum is σ = 149145984. Its totient is φ = 148334676.

The previous prime is 148740307. The next prime is 148740337. The reversal of 148740329 is 923047841.

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: 923047841 = 53 ⋅17415997.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148740329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148740292 and 148740301.

It is not an unprimeable number, because it can be changed into a prime (148740349) 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, 202277 + ... + 203010.

It is an arithmetic number, because the mean of its divisors is an integer number (37286496).

Almost surely, 2^148740329 is an apocalyptic number.

It is an amenable number.

148740329 is a deficient number, since it is larger than the sum of its proper divisors (405655).

148740329 is an equidigital number, since it uses as much as digits as its factorization.

148740329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405654.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 148740329 is about 12195.9144388603. The cubic root of 148740329 is about 529.8377680749.

The spelling of 148740329 in words is "one hundred forty-eight million, seven hundred forty thousand, three hundred twenty-nine".