148865709 has 8 divisors (see below), whose sum is σ = 198678592. Its totient is φ = 99148320.

The previous prime is 148865693. The next prime is 148865723. The reversal of 148865709 is 907568841.

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

It is not a de Polignac number, because 148865709 - 2⁴ = 148865693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148865749) 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, 20152 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (24834824).

Almost surely, 2^148865709 is an apocalyptic number.

It is an amenable number.

148865709 is a deficient number, since it is larger than the sum of its proper divisors (49812883).

148865709 is a wasteful number, since it uses less digits than its factorization.

148865709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47747.

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 148865709 is about 12201.0536020460. The cubic root of 148865709 is about 529.9866010615.

The spelling of 148865709 in words is "one hundred forty-eight million, eight hundred sixty-five thousand, seven hundred nine".